20133012432 has 80 divisors (see below), whose sum is σ = 57942541440. Its totient is φ = 5981154816.

The previous prime is 20133012421. The next prime is 20133012451. The reversal of 20133012432 is 23421033102.

It is a junction number, because it is equal to n+sod(n) for n = 20133012399 and 20133012408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538188 + ... + 574379.

It is an arithmetic number, because the mean of its divisors is an integer number (724281768).

Almost surely, 2^20133012432 is an apocalyptic number.

It is an amenable number.

20133012432 is an abundant number, since it is smaller than the sum of its proper divisors (37809529008).

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

20133012432 is a wasteful number, since it uses less digits than its factorization.

20133012432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112620 (or 1112614 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20133012432 its reverse (23421033102), we get a palindrome (43554045534).

The spelling of 20133012432 in words is "twenty billion, one hundred thirty-three million, twelve thousand, four hundred thirty-two".