20025464031 has 24 divisors (see below), whose sum is σ = 30103091200. Its totient is φ = 13303089432.

The previous prime is 20025464023. The next prime is 20025464057. The reversal of 20025464031 is 13046452002.

20025464031 is a `hidden beast` number, since 2 + 0 + 0 + 254 + 6 + 403 + 1 = 666.

It is not a de Polignac number, because 20025464031 - 2³ = 20025464023 is a prime.

It is a super-2 number, since 2×20025464031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20025463986 and 20025464004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025464831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76831 + ... + 214368.

Almost surely, 2^20025464031 is an apocalyptic number.

20025464031 is a deficient number, since it is larger than the sum of its proper divisors (10077627169).

20025464031 is an equidigital number, since it uses as much as digits as its factorization.

20025464031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291497 (or 291485 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 20025464031 in words is "twenty billion, twenty-five million, four hundred sixty-four thousand, thirty-one".