20502500433 has 16 divisors (see below), whose sum is σ = 27405150336. Its totient is φ = 13634127360.

The previous prime is 20502500383. The next prime is 20502500453. The reversal of 20502500433 is 33400520502.

It is not a de Polignac number, because 20502500433 - 2²⁰ = 20501451857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20502500453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270460 + ... + 3276722.

It is an arithmetic number, because the mean of its divisors is an integer number (1712821896).

Almost surely, 2^20502500433 is an apocalyptic number.

It is an amenable number.

20502500433 is a deficient number, since it is larger than the sum of its proper divisors (6902649903).

20502500433 is a wasteful number, since it uses less digits than its factorization.

20502500433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824.

The product of its (nonzero) digits is 3600, while the sum is 24.

The spelling of 20502500433 in words is "twenty billion, five hundred two million, five hundred thousand, four hundred thirty-three".