20879713360850 has 48 divisors (see below), whose sum is σ = 40884284800800. Its totient is φ = 7911537482880.

The previous prime is 20879713360811. The next prime is 20879713360859. The reversal of 20879713360850 is 5806331797802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20879713360850.

It is not an unprimeable number, because it can be changed into a prime (20879713360859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8674862 + ... + 10817238.

It is an arithmetic number, because the mean of its divisors is an integer number (851755933350).

Almost surely, 2^{20879713360850} is an apocalyptic number.

20879713360850 is a deficient number, since it is larger than the sum of its proper divisors (20004571439950).

20879713360850 is a wasteful number, since it uses less digits than its factorization.

20879713360850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152667 (or 2152662 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 20879713360850 in words is "twenty trillion, eight hundred seventy-nine billion, seven hundred thirteen million, three hundred sixty thousand, eight hundred fifty".