20488508 has 6 divisors (see below), whose sum is σ = 35854896. Its totient is φ = 10244252.

The previous prime is 20488499. The next prime is 20488513. The reversal of 20488508 is 80588402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561060 + ... + 2561067.

It is an arithmetic number, because the mean of its divisors is an integer number (5975816).

Almost surely, 2^20488508 is an apocalyptic number.

It is an amenable number.

20488508 is a deficient number, since it is larger than the sum of its proper divisors (15366388).

20488508 is a wasteful number, since it uses less digits than its factorization.

20488508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122131 (or 5122129 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 20488508 is about 4526.4233120644. The cubic root of 20488508 is about 273.6340328776.

The spelling of 20488508 in words is "twenty million, four hundred eighty-eight thousand, five hundred eight".