20979584842110 has 32 divisors (see below), whose sum is σ = 50988358103040. Its totient is φ = 5523738793248.

The previous prime is 20979584842037. The next prime is 20979584842133. The reversal of 20979584842110 is 1124848597902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4426070382 + ... + 4426075121.

It is an arithmetic number, because the mean of its divisors is an integer number (1593386190720).

Almost surely, 2^{20979584842110} is an apocalyptic number.

20979584842110 is an abundant number, since it is smaller than the sum of its proper divisors (30008773260930).

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

20979584842110 is a wasteful number, since it uses less digits than its factorization.

20979584842110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852145592.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 20979584842110 in words is "twenty trillion, nine hundred seventy-nine billion, five hundred eighty-four million, eight hundred forty-two thousand, one hundred ten".