20012232000 has 112 divisors (see below), whose sum is σ = 66080469312. Its totient is φ = 5336588800.

The previous prime is 20012231959. The next prime is 20012232013. The reversal of 20012232000 is 23221002.

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

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, 392922 + ... + 440921.

Almost surely, 2^20012232000 is an apocalyptic number.

20012232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012232000 is an abundant number, since it is smaller than the sum of its proper divisors (46068237312).

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

20012232000 is an equidigital number, since it uses as much as digits as its factorization.

20012232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833873 (or 833853 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20012232000 its reverse (23221002), we get a palindrome (20035453002).

The spelling of 20012232000 in words is "twenty billion, twelve million, two hundred thirty-two thousand".