20110023012 has 24 divisors (see below), whose sum is σ = 46925688096. Its totient is φ = 6703012288.

The previous prime is 20110022909. The next prime is 20110023023. The reversal of 20110023012 is 21032001102.

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

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, 428248 + ... + 472880.

It is an arithmetic number, because the mean of its divisors is an integer number (1955237004).

Almost surely, 2^20110023012 is an apocalyptic number.

It is an amenable number.

20110023012 is an abundant number, since it is smaller than the sum of its proper divisors (26815665084).

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

20110023012 is a wasteful number, since it uses less digits than its factorization.

20110023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82187 (or 82185 counting only the distinct ones).

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

Adding to 20110023012 its reverse (21032001102), we get a palindrome (41142024114).

The spelling of 20110023012 in words is "twenty billion, one hundred ten million, twenty-three thousand, twelve".