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22310020020 = 223519107182899
BaseRepresentation
bin10100110001110001…
…111110001110110100
32010120211020102222210
4110301301332032310
5331142331120040
614125445053420
71416602020101
oct246161761664
963524212883
1022310020020
119509474282
1243a76b7270
13214714a7a2
141119001aa8
158a896b480
hex531c7e3b4

22310020020 has 96 divisors (see below), whose sum is σ = 66370752000. Its totient is φ = 5583510144.

The previous prime is 22310020003. The next prime is 22310020081. The reversal of 22310020020 is 2002001322.

It is a super-3 number, since 3×223100200203 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22310019978 and 22310020005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30531 + ... + 213429.

It is an arithmetic number, because the mean of its divisors is an integer number (691362000).

Almost surely, 222310020020 is an apocalyptic number.

22310020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22310020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33185376000).

22310020020 is an abundant number, since it is smaller than the sum of its proper divisors (44060731980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22310020020 is a wasteful number, since it uses less digits than its factorization.

22310020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183037 (or 183035 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22310020020 its reverse (2002001322), we get a palindrome (24312021342).

The spelling of 22310020020 in words is "twenty-two billion, three hundred ten million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 107 114 190 214 228 285 321 380 428 535 570 642 1070 1140 1284 1605 2033 2140 3210 4066 6099 6420 8132 10165 12198 20330 24396 30495 40660 60990 121980 182899 365798 548697 731596 914495 1097394 1828990 2194788 2743485 3475081 3657980 5486970 6950162 10425243 10973940 13900324 17375405 19570193 20850486 34750810 39140386 41700972 52126215 58710579 69501620 78280772 97850965 104252430 117421158 195701930 208504860 234842316 293552895 371833667 391403860 587105790 743667334 1115501001 1174211580 1487334668 1859168335 2231002002 3718336670 4462004004 5577505005 7436673340 11155010010 22310020020