20445014153625 has 64 divisors (see below), whose sum is σ = 34176433784064. Its totient is φ = 10854069120000.

The previous prime is 20445014153611. The next prime is 20445014153687. The reversal of 20445014153625 is 52635141054402.

It is not a de Polignac number, because 20445014153625 - 2⁷ = 20445014153497 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214231419 + ... + 214326831.

It is an arithmetic number, because the mean of its divisors is an integer number (534006777876).

Almost surely, 2^{20445014153625} is an apocalyptic number.

20445014153625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20445014153625 is a deficient number, since it is larger than the sum of its proper divisors (13731419630439).

20445014153625 is a wasteful number, since it uses less digits than its factorization.

20445014153625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98043 (or 98033 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 20445014153625 in words is "twenty trillion, four hundred forty-five billion, fourteen million, one hundred fifty-three thousand, six hundred twenty-five".