20572343313 has 8 divisors (see below), whose sum is σ = 27947334528. Its totient is φ = 13456123824.

The previous prime is 20572343303. The next prime is 20572343333. The reversal of 20572343313 is 31334327502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20572343313 - 2¹⁰ = 20572342289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20572343303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64692745 + ... + 64693062.

It is an arithmetic number, because the mean of its divisors is an integer number (3493416816).

Almost surely, 2^20572343313 is an apocalyptic number.

It is an amenable number.

20572343313 is a deficient number, since it is larger than the sum of its proper divisors (7374991215).

20572343313 is a wasteful number, since it uses less digits than its factorization.

20572343313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129385863.

The product of its (nonzero) digits is 45360, while the sum is 33.

The spelling of 20572343313 in words is "twenty billion, five hundred seventy-two million, three hundred forty-three thousand, three hundred thirteen".