20767046612 has 36 divisors (see below), whose sum is σ = 40105328508. Its totient is φ = 9348019200.

The previous prime is 20767046611. The next prime is 20767046659. The reversal of 20767046612 is 21664076702.

It can be written as a sum of positive squares in 6 ways, for example, as 18543358276 + 2223688336 = 136174^2 + 47156^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 20767046612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20767046611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6652412 + ... + 6655532.

It is an arithmetic number, because the mean of its divisors is an integer number (1114036903).

Almost surely, 2^20767046612 is an apocalyptic number.

It is an amenable number.

20767046612 is a deficient number, since it is larger than the sum of its proper divisors (19338281896).

20767046612 is an equidigital number, since it uses as much as digits as its factorization.

20767046612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 20767046612 in words is "twenty billion, seven hundred sixty-seven million, forty-six thousand, six hundred twelve".