20508088 has 32 divisors (see below), whose sum is σ = 40383360. Its totient is φ = 9745120.

The previous prime is 20508083. The next prime is 20508113. The reversal of 20508088 is 88080502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20508083) 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, 41523 + ... + 42013.

It is an arithmetic number, because the mean of its divisors is an integer number (1261980).

Almost surely, 2^20508088 is an apocalyptic number.

It is an amenable number.

20508088 is a deficient number, since it is larger than the sum of its proper divisors (19875272).

20508088 is a wasteful number, since it uses less digits than its factorization.

20508088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 20508088 is about 4528.5856511719. The cubic root of 20508088 is about 273.7211719467.

The spelling of 20508088 in words is "twenty million, five hundred eight thousand, eighty-eight".