20650774684812 has 48 divisors (see below), whose sum is σ = 51678204802560. Its totient is φ = 6398253920448.

The previous prime is 20650774684807. The next prime is 20650774684921. The reversal of 20650774684812 is 21848647705602.

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, 854455588 + ... + 854479755.

It is an arithmetic number, because the mean of its divisors is an integer number (1076629266720).

Almost surely, 2^{20650774684812} is an apocalyptic number.

It is an amenable number.

20650774684812 is an abundant number, since it is smaller than the sum of its proper divisors (31027430117748).

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

20650774684812 is a wasteful number, since it uses less digits than its factorization.

20650774684812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708935422 (or 1708935420 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 20650774684812 in words is "twenty trillion, six hundred fifty billion, seven hundred seventy-four million, six hundred eighty-four thousand, eight hundred twelve".