20008460431 has 2 divisors, whose sum is σ = 20008460432. Its totient is φ = 20008460430.

The previous prime is 20008460327. The next prime is 20008460441. The reversal of 20008460431 is 13406480002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20008460431 - 2²⁵ = 19974905999 is a prime.

It is a super-2 number, since 2×20008460431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20008460431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20008460441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10004230215 + 10004230216.

It is an arithmetic number, because the mean of its divisors is an integer number (10004230216).

Almost surely, 2^20008460431 is an apocalyptic number.

20008460431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20008460431 is an equidigital number, since it uses as much as digits as its factorization.

20008460431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 20008460431 in words is "twenty billion, eight million, four hundred sixty thousand, four hundred thirty-one".