20413399290 has 32 divisors (see below), whose sum is σ = 49795312896. Its totient is φ = 5354333760.

The previous prime is 20413399289. The next prime is 20413399301. The reversal of 20413399290 is 9299331402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5575602 + ... + 5579261.

It is an arithmetic number, because the mean of its divisors is an integer number (1556103528).

Almost surely, 2^20413399290 is an apocalyptic number.

20413399290 is an abundant number, since it is smaller than the sum of its proper divisors (29381913606).

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

20413399290 is a wasteful number, since it uses less digits than its factorization.

20413399290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154934.

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 20413399290 in words is "twenty billion, four hundred thirteen million, three hundred ninety-nine thousand, two hundred ninety".