20041551025 has 12 divisors (see below), whose sum is σ = 26159498800. Its totient is φ = 15189385680.

The previous prime is 20041551007. The next prime is 20041551029. The reversal of 20041551025 is 52015514002.

It is not a de Polignac number, because 20041551025 - 2⁵ = 20041550993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20041551029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21095895 + ... + 21096844.

Almost surely, 2^20041551025 is an apocalyptic number.

20041551025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20041551025 is a deficient number, since it is larger than the sum of its proper divisors (6117947775).

20041551025 is a wasteful number, since it uses less digits than its factorization.

20041551025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42192768 (or 42192763 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 20041551025 in words is "twenty billion, forty-one million, five hundred fifty-one thousand, twenty-five".