20133000432 has 60 divisors (see below), whose sum is σ = 56977558560. Its totient is φ = 6635591424.

The previous prime is 20133000427. The next prime is 20133000473. The reversal of 20133000432 is 23400033102.

20133000432 is a `hidden beast` number, since 201 + 3 + 30 + 0 + 0 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 772648 + ... + 798279.

It is an arithmetic number, because the mean of its divisors is an integer number (949625976).

Almost surely, 2^20133000432 is an apocalyptic number.

It is an amenable number.

20133000432 is an abundant number, since it is smaller than the sum of its proper divisors (36844558128).

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

20133000432 is a wasteful number, since it uses less digits than its factorization.

20133000432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571030 (or 1571021 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20133000432 its reverse (23400033102), we get a palindrome (43533033534).

The spelling of 20133000432 in words is "twenty billion, one hundred thirty-three million, four hundred thirty-two", and thus it is an aban number.