20702886313 has 8 divisors (see below), whose sum is σ = 20868192000. Its totient is φ = 20538179328.

The previous prime is 20702886311. The next prime is 20702886329. The reversal of 20702886313 is 31368820702.

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

It is a cyclic number.

It is not a de Polignac number, because 20702886313 - 2¹ = 20702886311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20702886311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80113 + ... + 218686.

It is an arithmetic number, because the mean of its divisors is an integer number (2608524000).

Almost surely, 2^20702886313 is an apocalyptic number.

It is an amenable number.

20702886313 is a deficient number, since it is larger than the sum of its proper divisors (165305687).

20702886313 is a wasteful number, since it uses less digits than its factorization.

20702886313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299351.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 20702886313 in words is "twenty billion, seven hundred two million, eight hundred eighty-six thousand, three hundred thirteen".