20250667025 has 24 divisors (see below), whose sum is σ = 25812123960. Its totient is φ = 15748853760.

The previous prime is 20250667007. The next prime is 20250667057. The reversal of 20250667025 is 52076605202.

It can be written as a sum of positive squares in 12 ways, for example, as 1207771009 + 19042896016 = 34753^2 + 137996^2 .

It is not a de Polignac number, because 20250667025 - 2⁸ = 20250666769 is a prime.

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, 1116731 + ... + 1134719.

It is an arithmetic number, because the mean of its divisors is an integer number (1075505165).

Almost surely, 2^20250667025 is an apocalyptic number.

20250667025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20250667025 is a deficient number, since it is larger than the sum of its proper divisors (5561456935).

20250667025 is a wasteful number, since it uses less digits than its factorization.

20250667025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19253 (or 19248 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 20250667025 in words is "twenty billion, two hundred fifty million, six hundred sixty-seven thousand, twenty-five".