20013024332243 has 4 divisors (see below), whose sum is σ = 20013099752688. Its totient is φ = 20012948911800.

The previous prime is 20013024332207. The next prime is 20013024332311. The reversal of 20013024332243 is 34223342031002.

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

It is a cyclic number.

It is not a de Polignac number, because 20013024332243 - 2¹² = 20013024328147 is a prime.

It is a super-2 number, since 2×20013024332243² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013024532243) 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, 37310783 + ... + 37843368.

It is an arithmetic number, because the mean of its divisors is an integer number (5003274938172).

Almost surely, 2^{20013024332243} is an apocalyptic number.

20013024332243 is a deficient number, since it is larger than the sum of its proper divisors (75420445).

20013024332243 is an equidigital number, since it uses as much as digits as its factorization.

20013024332243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75420444.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20013024332243 its reverse (34223342031002), we get a palindrome (54236366363245).

The spelling of 20013024332243 in words is "twenty trillion, thirteen billion, twenty-four million, three hundred thirty-two thousand, two hundred forty-three".