20467158025 has 12 divisors (see below), whose sum is σ = 25429747392. Its totient is φ = 16341164240.

The previous prime is 20467157981. The next prime is 20467158031. The reversal of 20467158025 is 52085176402.

It is not a de Polignac number, because 20467158025 - 2²³ = 20458769417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801229 + ... + 826378.

It is an arithmetic number, because the mean of its divisors is an integer number (2119145616).

Almost surely, 2^20467158025 is an apocalyptic number.

20467158025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20467158025 is a deficient number, since it is larger than the sum of its proper divisors (4962589367).

20467158025 is a wasteful number, since it uses less digits than its factorization.

20467158025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628120 (or 1628115 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 20467158025 in words is "twenty billion, four hundred sixty-seven million, one hundred fifty-eight thousand, twenty-five".