20025288 has 48 divisors (see below), whose sum is σ = 55708380. Its totient is φ = 6493824.

The previous prime is 20025281. The next prime is 20025293. The reversal of 20025288 is 88252002.

It can be written as a sum of positive squares in 2 ways, for example, as 15539364 + 4485924 = 3942^2 + 2118^2 .

It is not an unprimeable number, because it can be changed into a prime (20025281) 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, 1095 + ... + 6422.

Almost surely, 2^20025288 is an apocalyptic number.

It is an amenable number.

20025288 is an abundant number, since it is smaller than the sum of its proper divisors (35683092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20025288 is a wasteful number, since it uses less digits than its factorization.

20025288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566 (or 7559 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 20025288 is about 4474.9623462103. The cubic root of 20025288 is about 271.5561171305.

The spelling of 20025288 in words is "twenty million, twenty-five thousand, two hundred eighty-eight".