20010023112 has 32 divisors (see below), whose sum is σ = 50028933600. Its totient is φ = 6669490944.

The previous prime is 20010023083. The next prime is 20010023119. The reversal of 20010023112 is 21132001002.

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 (20010023119) 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, 404464 + ... + 451232.

It is an arithmetic number, because the mean of its divisors is an integer number (1563404175).

Almost surely, 2^20010023112 is an apocalyptic number.

It is an amenable number.

20010023112 is an abundant number, since it is smaller than the sum of its proper divisors (30018910488).

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

20010023112 is a wasteful number, since it uses less digits than its factorization.

20010023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64605 (or 64601 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20010023112 its reverse (21132001002), we get a palindrome (41142024114).

The spelling of 20010023112 in words is "twenty billion, ten million, twenty-three thousand, one hundred twelve".