16105602020 has 24 divisors (see below), whose sum is σ = 34249891200. Its totient is φ = 6360692832.

The previous prime is 16105602013. The next prime is 16105602047. The reversal of 16105602020 is 2020650161.

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, 5095130 + ... + 5098289.

It is an arithmetic number, because the mean of its divisors is an integer number (1427078800).

Almost surely, 2^16105602020 is an apocalyptic number.

16105602020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16105602020 is an abundant number, since it is smaller than the sum of its proper divisors (18144289180).

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

16105602020 is a wasteful number, since it uses less digits than its factorization.

16105602020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10193507 (or 10193505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 16105602020 in words is "sixteen billion, one hundred five million, six hundred two thousand, twenty".