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201120223020 = 223531110778147
BaseRepresentation
bin1011101101001110110…
…0110000111100101100
3201020010102011220120220
42323103230300330230
511243343234114040
6232220544211340
720346642455223
oct2732354607454
9636112156526
10201120223020
1178327139352
1232b8a909b50
1315c72430932
149a3cba5cba
1553719a22d0
hex2ed3b30f2c

201120223020 has 48 divisors (see below), whose sum is σ = 564947405568. Its totient is φ = 53459604160.

The previous prime is 201120223019. The next prime is 201120223063. The reversal of 201120223020 is 20322021102.

It is a happy number.

It is a super-2 number, since 2×2011202230202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5370414 + ... + 5407733.

It is an arithmetic number, because the mean of its divisors is an integer number (11769737616).

Almost surely, 2201120223020 is an apocalyptic number.

201120223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120223020 is an abundant number, since it is smaller than the sum of its proper divisors (363827182548).

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

201120223020 is a wasteful number, since it uses less digits than its factorization.

201120223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778470 (or 10778468 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201120223020 its reverse (20322021102), we get a palindrome (221442244122).

The spelling of 201120223020 in words is "two hundred one billion, one hundred twenty million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 311 622 933 1244 1555 1866 3110 3732 4665 6220 9330 18660 10778147 21556294 32334441 43112588 53890735 64668882 107781470 129337764 161672205 215562940 323344410 646688820 3352003717 6704007434 10056011151 13408014868 16760018585 20112022302 33520037170 40224044604 50280055755 67040074340 100560111510 201120223020