20846691373076 has 24 divisors (see below), whose sum is σ = 37498982538024. Its totient is φ = 10136177192960.

The previous prime is 20846691373051. The next prime is 20846691373097. The reversal of 20846691373076 is 67037319664802.

It can be written as a sum of positive squares in 4 ways, for example, as 1766044313476 + 19080647059600 = 1328926^2 + 4368140^2 .

It is a congruent number.

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, 435079805 + ... + 435127716.

It is an arithmetic number, because the mean of its divisors is an integer number (1562457605751).

Almost surely, 2^{20846691373076} is an apocalyptic number.

It is an amenable number.

20846691373076 is a deficient number, since it is larger than the sum of its proper divisors (16652291164948).

20846691373076 is a wasteful number, since it uses less digits than its factorization.

20846691373076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870207691 (or 870207689 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 20846691373076 in words is "twenty trillion, eight hundred forty-six billion, six hundred ninety-one million, three hundred seventy-three thousand, seventy-six".