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20220020112 = 2431972138327
BaseRepresentation
bin10010110101001101…
…010000010110010000
31221012011112110002210
4102311031100112100
5312402311120422
613142225112120
71314033222645
oct226515202620
957164473083
1020220020112
118636746426
123b03788640
131ba3151556
14d9b5d9dcc
157d522c10c
hex4b5350590

20220020112 has 40 divisors (see below), whose sum is σ = 52500229056. Its totient is φ = 6705790336.

The previous prime is 20220020083. The next prime is 20220020113. The reversal of 20220020112 is 21102002202.

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

It is not an unprimeable number, because it can be changed into a prime (20220020113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059708 + ... + 1078619.

Almost surely, 220220020112 is an apocalyptic number.

It is an amenable number.

20220020112 is an abundant number, since it is smaller than the sum of its proper divisors (32280208944).

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

20220020112 is a wasteful number, since it uses less digits than its factorization.

20220020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138535 (or 2138529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20220020112 its reverse (21102002202), we get a palindrome (41322022314).

The spelling of 20220020112 in words is "twenty billion, two hundred twenty million, twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 197 394 591 788 1182 1576 2364 3152 4728 9456 2138327 4276654 6414981 8553308 12829962 17106616 25659924 34213232 51319848 102639696 421250419 842500838 1263751257 1685001676 2527502514 3370003352 5055005028 6740006704 10110010056 20220020112