20055502725 has 96 divisors (see below), whose sum is σ = 35826278400. Its totient is φ = 9868723200.

The previous prime is 20055502693. The next prime is 20055502739. The reversal of 20055502725 is 52720555002.

It is not a de Polignac number, because 20055502725 - 2⁵ = 20055502693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9499420 + ... + 9501530.

It is an arithmetic number, because the mean of its divisors is an integer number (373190400).

Almost surely, 2^20055502725 is an apocalyptic number.

20055502725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20055502725 is a deficient number, since it is larger than the sum of its proper divisors (15770775675).

20055502725 is a wasteful number, since it uses less digits than its factorization.

20055502725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 33.

The spelling of 20055502725 in words is "twenty billion, fifty-five million, five hundred two thousand, seven hundred twenty-five".