20152225025 has 24 divisors (see below), whose sum is σ = 25883176704. Its totient is φ = 15548299200.

The previous prime is 20152225013. The next prime is 20152225061. The reversal of 20152225025 is 52052225102.

It is not a de Polignac number, because 20152225025 - 2⁸ = 20152224769 is a prime.

It is a super-2 number, since 2×20152225025² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152224985 and 20152225003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182702 + ... + 271448.

It is an arithmetic number, because the mean of its divisors is an integer number (1078465696).

Almost surely, 2^20152225025 is an apocalyptic number.

20152225025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20152225025 is a deficient number, since it is larger than the sum of its proper divisors (5730951679).

20152225025 is a wasteful number, since it uses less digits than its factorization.

20152225025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89081 (or 89076 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 20152225025 in words is "twenty billion, one hundred fifty-two million, two hundred twenty-five thousand, twenty-five".