20767675313 has 16 divisors (see below), whose sum is σ = 26051030016. Its totient is φ = 16083314640.

The previous prime is 20767675309. The next prime is 20767675391. The reversal of 20767675313 is 31357676702.

It is a cyclic number.

It is not a de Polignac number, because 20767675313 - 2² = 20767675309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20767674313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814781 + ... + 839882.

It is an arithmetic number, because the mean of its divisors is an integer number (1628189376).

Almost surely, 2^20767675313 is an apocalyptic number.

It is an amenable number.

20767675313 is a deficient number, since it is larger than the sum of its proper divisors (5283354703).

20767675313 is a wasteful number, since it uses less digits than its factorization.

20767675313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654844.

The product of its (nonzero) digits is 1111320, while the sum is 47.

The spelling of 20767675313 in words is "twenty billion, seven hundred sixty-seven million, six hundred seventy-five thousand, three hundred thirteen".