20120501432 has 32 divisors (see below), whose sum is σ = 39402298800. Its totient is φ = 9622439424.

The previous prime is 20120501369. The next prime is 20120501441. The reversal of 20120501432 is 23410502102.

It is a super-2 number, since 2×20120501432² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558593 + ... + 593520.

Almost surely, 2^20120501432 is an apocalyptic number.

It is an amenable number.

20120501432 is a deficient number, since it is larger than the sum of its proper divisors (19281797368).

20120501432 is a wasteful number, since it uses less digits than its factorization.

20120501432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152215 (or 1152211 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 20120501432 in words is "twenty billion, one hundred twenty million, five hundred one thousand, four hundred thirty-two".