20432502227 has 2 divisors, whose sum is σ = 20432502228. Its totient is φ = 20432502226.

The previous prime is 20432502127. The next prime is 20432502239. The reversal of 20432502227 is 72220523402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20432502227 - 2²⁸ = 20164066771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20432502227.

It is not a weakly prime, because it can be changed into another prime (20432502257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10216251113 + 10216251114.

It is an arithmetic number, because the mean of its divisors is an integer number (10216251114).

Almost surely, 2^20432502227 is an apocalyptic number.

20432502227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20432502227 is an equidigital number, since it uses as much as digits as its factorization.

20432502227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The spelling of 20432502227 in words is "twenty billion, four hundred thirty-two million, five hundred two thousand, two hundred twenty-seven".