20248910431 has 2 divisors, whose sum is σ = 20248910432. Its totient is φ = 20248910430.

The previous prime is 20248910417. The next prime is 20248910449. The reversal of 20248910431 is 13401984202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20248910431 - 2²⁵ = 20215355999 is a prime.

It is a super-2 number, since 2×20248910431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20248914431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10124455215 + 10124455216.

It is an arithmetic number, because the mean of its divisors is an integer number (10124455216).

Almost surely, 2^20248910431 is an apocalyptic number.

20248910431 is a deficient number, since it is larger than the sum of its proper divisors (1).

20248910431 is an equidigital number, since it uses as much as digits as its factorization.

20248910431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 20248910431 in words is "twenty billion, two hundred forty-eight million, nine hundred ten thousand, four hundred thirty-one".