20325455253 has 32 divisors (see below), whose sum is σ = 30287692800. Its totient is φ = 13471388208.

The previous prime is 20325455203. The next prime is 20325455279. The reversal of 20325455253 is 35255452302.

20325455253 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 54 + 552 + 53 = 666.

It is not a de Polignac number, because 20325455253 - 2⁸ = 20325454997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325455203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3360450 + ... + 3366492.

It is an arithmetic number, because the mean of its divisors is an integer number (946490400).

Almost surely, 2^20325455253 is an apocalyptic number.

It is an amenable number.

20325455253 is a deficient number, since it is larger than the sum of its proper divisors (9962237547).

20325455253 is a wasteful number, since it uses less digits than its factorization.

20325455253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758 (or 6752 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 20325455253 in words is "twenty billion, three hundred twenty-five million, four hundred fifty-five thousand, two hundred fifty-three".