20000111012 has 48 divisors (see below), whose sum is σ = 41769396480. Its totient is φ = 8192904192.

The previous prime is 20000110987. The next prime is 20000111039. The reversal of 20000111012 is 21011100002.

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, 948488 + ... + 969344.

It is an arithmetic number, because the mean of its divisors is an integer number (870195760).

Almost surely, 2^20000111012 is an apocalyptic number.

It is an amenable number.

20000111012 is an abundant number, since it is smaller than the sum of its proper divisors (21769285468).

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

20000111012 is a wasteful number, since it uses less digits than its factorization.

20000111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22380 (or 22378 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20000111012 its reverse (21011100002), we get a palindrome (41011211014).

The spelling of 20000111012 in words is "twenty billion, one hundred eleven thousand, twelve".