20027285425 has 24 divisors (see below), whose sum is σ = 28423863296. Its totient is φ = 13712509440.

The previous prime is 20027285413. The next prime is 20027285437. The reversal of 20027285425 is 52458272002.

It is an interprime number because it is at equal distance from previous prime (20027285413) and next prime (20027285437).

It is not a de Polignac number, because 20027285425 - 2⁵ = 20027285393 is a prime.

It is a super-2 number, since 2×20027285425² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 32752 + ... + 202798.

Almost surely, 2^20027285425 is an apocalyptic number.

20027285425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20027285425 is a deficient number, since it is larger than the sum of its proper divisors (8396577871).

20027285425 is a wasteful number, since it uses less digits than its factorization.

20027285425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170737 (or 170732 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The spelling of 20027285425 in words is "twenty billion, twenty-seven million, two hundred eighty-five thousand, four hundred twenty-five".