20886383613 has 4 divisors (see below), whose sum is σ = 27848511488. Its totient is φ = 13924255740.

The previous prime is 20886383603. The next prime is 20886383647. The reversal of 20886383613 is 31638368802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20886383613 - 2¹⁰ = 20886382589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20886383603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3481063933 + ... + 3481063938.

It is an arithmetic number, because the mean of its divisors is an integer number (6962127872).

Almost surely, 2^20886383613 is an apocalyptic number.

It is an amenable number.

20886383613 is a deficient number, since it is larger than the sum of its proper divisors (6962127875).

20886383613 is an equidigital number, since it uses as much as digits as its factorization.

20886383613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6962127874.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 20886383613 in words is "twenty billion, eight hundred eighty-six million, three hundred eighty-three thousand, six hundred thirteen".