20080956408 has 16 divisors (see below), whose sum is σ = 50202391080. Its totient is φ = 6693652128.

The previous prime is 20080956367. The next prime is 20080956439. The reversal of 20080956408 is 80465908002.

It is a self number, because there is not a number n which added to its sum of digits gives 20080956408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418353235 + ... + 418353282.

Almost surely, 2^20080956408 is an apocalyptic number.

It is an amenable number.

20080956408 is an abundant number, since it is smaller than the sum of its proper divisors (30121434672).

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

20080956408 is a wasteful number, since it uses less digits than its factorization.

20080956408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836706526 (or 836706522 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 20080956408 in words is "twenty billion, eighty million, nine hundred fifty-six thousand, four hundred eight".