20080806040 has 32 divisors (see below), whose sum is σ = 45204156000. Its totient is φ = 8028350464.

The previous prime is 20080806017. The next prime is 20080806091. The reversal of 20080806040 is 4060808002.

It is a super-2 number, since 2×20080806040² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41545 + ... + 204664.

It is an arithmetic number, because the mean of its divisors is an integer number (1412629875).

Almost surely, 2^20080806040 is an apocalyptic number.

20080806040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20080806040 is an abundant number, since it is smaller than the sum of its proper divisors (25123349960).

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

20080806040 is a wasteful number, since it uses less digits than its factorization.

20080806040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248259 (or 248255 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 20080806040 in words is "twenty billion, eighty million, eight hundred six thousand, forty".