20132550536 has 64 divisors (see below), whose sum is σ = 43469395200. Its totient is φ = 8562822912.

The previous prime is 20132550523. The next prime is 20132550547. The reversal of 20132550536 is 63505523102.

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, 4840970 + ... + 4845126.

It is an arithmetic number, because the mean of its divisors is an integer number (679209300).

Almost surely, 2^20132550536 is an apocalyptic number.

It is an amenable number.

20132550536 is an abundant number, since it is smaller than the sum of its proper divisors (23336844664).

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

20132550536 is a wasteful number, since it uses less digits than its factorization.

20132550536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 4802 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 20132550536 in words is "twenty billion, one hundred thirty-two million, five hundred fifty thousand, five hundred thirty-six".