20332020013 has 4 divisors (see below), whose sum is σ = 20390278300. Its totient is φ = 20273761728.

The previous prime is 20332019993. The next prime is 20332020019. The reversal of 20332020013 is 31002023302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7476542089 + 12855477924 = 86467^2 + 113382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20332020013 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 (20332020019) 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, 29128620 + ... + 29129317.

It is an arithmetic number, because the mean of its divisors is an integer number (5097569575).

Almost surely, 2^20332020013 is an apocalyptic number.

It is an amenable number.

20332020013 is a deficient number, since it is larger than the sum of its proper divisors (58258287).

20332020013 is an equidigital number, since it uses as much as digits as its factorization.

20332020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58258286.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20332020013 its reverse (31002023302), we get a palindrome (51334043315).

The spelling of 20332020013 in words is "twenty billion, three hundred thirty-two million, twenty thousand, thirteen".