20208028025 has 24 divisors (see below), whose sum is σ = 25323066720. Its totient is φ = 15995756160.

The previous prime is 20208027947. The next prime is 20208028073. The reversal of 20208028025 is 52082080202.

It is not a de Polignac number, because 20208028025 - 2¹⁴ = 20208011641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2422061 + ... + 2430389.

It is an arithmetic number, because the mean of its divisors is an integer number (1055127780).

Almost surely, 2^20208028025 is an apocalyptic number.

20208028025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20208028025 is a deficient number, since it is larger than the sum of its proper divisors (5115038695).

20208028025 is a wasteful number, since it uses less digits than its factorization.

20208028025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353 (or 9348 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The spelling of 20208028025 in words is "twenty billion, two hundred eight million, twenty-eight thousand, twenty-five".