20125153305 has 48 divisors (see below), whose sum is σ = 36740471040. Its totient is φ = 10162713600.

The previous prime is 20125153259. The next prime is 20125153313. The reversal of 20125153305 is 50335152102.

It is a happy number.

20125153305 is a `hidden beast` number, since 2 + 0 + 125 + 1 + 533 + 0 + 5 = 666.

It is not a de Polignac number, because 20125153305 - 2⁶ = 20125153241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1773600 + ... + 1784910.

It is an arithmetic number, because the mean of its divisors is an integer number (765426480).

Almost surely, 2^20125153305 is an apocalyptic number.

It is an amenable number.

20125153305 is a deficient number, since it is larger than the sum of its proper divisors (16615317735).

20125153305 is a wasteful number, since it uses less digits than its factorization.

20125153305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13422 (or 13419 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 20125153305 in words is "twenty billion, one hundred twenty-five million, one hundred fifty-three thousand, three hundred five".