20969233113 has 4 divisors (see below), whose sum is σ = 27958977488. Its totient is φ = 13979488740.

The previous prime is 20969233099. The next prime is 20969233123. The reversal of 20969233113 is 31133296902.

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 20969233113 - 2¹⁶ = 20969167577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20969233123) 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 3 ways as a sum of consecutive naturals, for example, 3494872183 + ... + 3494872188.

It is an arithmetic number, because the mean of its divisors is an integer number (6989744372).

Almost surely, 2^20969233113 is an apocalyptic number.

It is an amenable number.

20969233113 is a deficient number, since it is larger than the sum of its proper divisors (6989744375).

20969233113 is an equidigital number, since it uses as much as digits as its factorization.

20969233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989744374.

The product of its (nonzero) digits is 52488, while the sum is 39.

The spelling of 20969233113 in words is "twenty billion, nine hundred sixty-nine million, two hundred thirty-three thousand, one hundred thirteen".