20020232023013 has 4 divisors (see below), whose sum is σ = 20020620688620. Its totient is φ = 20019843357408.

The previous prime is 20020232023003. The next prime is 20020232023079. The reversal of 20020232023013 is 31032023202002.

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 17057833392769 + 2962398630244 = 4130113^2 + 1721162^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020232023013 - 2¹⁰ = 20020232021989 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 (20020232023003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194255528 + ... + 194358561.

It is an arithmetic number, because the mean of its divisors is an integer number (5005155172155).

Almost surely, 2^{20020232023013} is an apocalyptic number.

It is an amenable number.

20020232023013 is a deficient number, since it is larger than the sum of its proper divisors (388665607).

20020232023013 is an equidigital number, since it uses as much as digits as its factorization.

20020232023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388665606.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20020232023013 its reverse (31032023202002), we get a palindrome (51052255225015).

The spelling of 20020232023013 in words is "twenty trillion, twenty billion, two hundred thirty-two million, twenty-three thousand, thirteen".