20672146652313 has 32 divisors (see below), whose sum is σ = 30275149766400. Its totient is φ = 12469649230080.

The previous prime is 20672146652281. The next prime is 20672146652321. The reversal of 20672146652313 is 31325664127602.

It is a happy number.

It is not a de Polignac number, because 20672146652313 - 2⁵ = 20672146652281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20672146652363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21097738 + ... + 22055811.

It is an arithmetic number, because the mean of its divisors is an integer number (946098430200).

Almost surely, 2^{20672146652313} is an apocalyptic number.

It is an amenable number.

20672146652313 is a deficient number, since it is larger than the sum of its proper divisors (9603003114087).

20672146652313 is a wasteful number, since it uses less digits than its factorization.

20672146652313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43153809.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 20672146652313 in words is "twenty trillion, six hundred seventy-two billion, one hundred forty-six million, six hundred fifty-two thousand, three hundred thirteen".