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22202000020 = 2256311759271
BaseRepresentation
bin10100101011010101…
…111010001010010100
32010022021222110102001
4110223111322022110
5330432203000040
614111025525044
71414120613014
oct245325721224
963267873361
1022202000020
1194634a5252
1243774a3784
13212a959725
141108923c44
1589e23059a
hex52b57a294

22202000020 has 24 divisors (see below), whose sum is σ = 46698115968. Its totient is φ = 8866720800.

The previous prime is 22202000011. The next prime is 22202000057. The reversal of 22202000020 is 2000020222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22201999970 and 22202000006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867016 + ... + 892255.

It is an arithmetic number, because the mean of its divisors is an integer number (1945754832).

Almost surely, 222202000020 is an apocalyptic number.

22202000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202000020 is an abundant number, since it is smaller than the sum of its proper divisors (24496115948).

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

22202000020 is a wasteful number, since it uses less digits than its factorization.

22202000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759911 (or 1759909 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22202000020 its reverse (2000020222), we get a palindrome (24202020242).

The spelling of 22202000020 in words is "twenty-two billion, two hundred two million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 631 1262 2524 3155 6310 12620 1759271 3518542 7037084 8796355 17592710 35185420 1110100001 2220200002 4440400004 5550500005 11101000010 22202000020