20012113110 has 32 divisors (see below), whose sum is σ = 52395351552. Its totient is φ = 4851421280.

The previous prime is 20012113103. The next prime is 20012113123. The reversal of 20012113110 is 1131121002.

It is a super-2 number, since 2×20012113110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 30321054 + ... + 30321713.

It is an arithmetic number, because the mean of its divisors is an integer number (1637354736).

Almost surely, 2^20012113110 is an apocalyptic number.

20012113110 is an abundant number, since it is smaller than the sum of its proper divisors (32383238442).

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

20012113110 is a wasteful number, since it uses less digits than its factorization.

20012113110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60642788.

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

Adding to 20012113110 its reverse (1131121002), we get a palindrome (21143234112).

The spelling of 20012113110 in words is "twenty billion, twelve million, one hundred thirteen thousand, one hundred ten".