20960408 has 16 divisors (see below), whose sum is σ = 44915280. Its totient is φ = 8983008.

The previous prime is 20960377. The next prime is 20960413. The reversal of 20960408 is 80406902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187091 + ... + 187202.

It is an arithmetic number, because the mean of its divisors is an integer number (2807205).

Almost surely, 2^20960408 is an apocalyptic number.

20960408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20960408 is an abundant number, since it is smaller than the sum of its proper divisors (23954872).

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

20960408 is a wasteful number, since it uses less digits than its factorization.

20960408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374306 (or 374302 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20960408 is about 4578.2538155939. The cubic root of 20960408 is about 275.7189255051.

The spelling of 20960408 in words is "twenty million, nine hundred sixty thousand, four hundred eight".