20425488 has 40 divisors (see below), whose sum is σ = 53079936. Its totient is φ = 6768000.

The previous prime is 20425487. The next prime is 20425499. The reversal of 20425488 is 88452402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20425481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7513 + ... + 9863.

Almost surely, 2^20425488 is an apocalyptic number.

It is an amenable number.

20425488 is an abundant number, since it is smaller than the sum of its proper divisors (32654448).

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

20425488 is a wasteful number, since it uses less digits than its factorization.

20425488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 20425488 is about 4519.4566045046. The cubic root of 20425488 is about 273.3531904405.

The spelling of 20425488 in words is "twenty million, four hundred twenty-five thousand, four hundred eighty-eight".