20325523320 has 128 divisors (see below), whose sum is σ = 69030273600. Its totient is φ = 5317857792.

The previous prime is 20325523307. The next prime is 20325523343. The reversal of 20325523320 is 2332552302.

20325523320 is a `hidden beast` number, since 2 + 0 + 325 + 5 + 2 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 120307 + ... + 234786.

Almost surely, 2^20325523320 is an apocalyptic number.

20325523320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20325523320 is an abundant number, since it is smaller than the sum of its proper divisors (48704750280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20325523320 is a wasteful number, since it uses less digits than its factorization.

20325523320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355166 (or 355156 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The spelling of 20325523320 in words is "twenty billion, three hundred twenty-five million, five hundred twenty-three thousand, three hundred twenty".