20012133120232 has 64 divisors (see below), whose sum is σ = 40956358541760. Its totient is φ = 9091436889600.

The previous prime is 20012133120173. The next prime is 20012133120263. The reversal of 20012133120232 is 23202133121002.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 2121497788 + ... + 2121507220.

It is an arithmetic number, because the mean of its divisors is an integer number (639943102215).

Almost surely, 2^{20012133120232} is an apocalyptic number.

20012133120232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20012133120232 is an abundant number, since it is smaller than the sum of its proper divisors (20944225421528).

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

20012133120232 is a wasteful number, since it uses less digits than its factorization.

20012133120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114 (or 20110 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20012133120232 its reverse (23202133121002), we get a palindrome (43214266241234).

The spelling of 20012133120232 in words is "twenty trillion, twelve billion, one hundred thirty-three million, one hundred twenty thousand, two hundred thirty-two".