20403160101625 has 32 divisors (see below), whose sum is σ = 29153937076992. Its totient is φ = 13965160809600.

The previous prime is 20403160101617. The next prime is 20403160101691. The reversal of 20403160101625 is 52610106130402.

It is a happy number.

It is not a de Polignac number, because 20403160101625 - 2³ = 20403160101617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20835724 + ... + 21792973.

It is an arithmetic number, because the mean of its divisors is an integer number (911060533656).

Almost surely, 2^{20403160101625} is an apocalyptic number.

20403160101625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20403160101625 is a deficient number, since it is larger than the sum of its proper divisors (8750776975367).

20403160101625 is an equidigital number, since it uses as much as digits as its factorization.

20403160101625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42629266 (or 42629256 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 20403160101625 in words is "twenty trillion, four hundred three billion, one hundred sixty million, one hundred one thousand, six hundred twenty-five".