20030022232013 has 4 divisors (see below), whose sum is σ = 20174123111520. Its totient is φ = 19885921352508.

The previous prime is 20030022232009. The next prime is 20030022232019. The reversal of 20030022232013 is 31023222003002.

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 a cyclic number.

It is not a de Polignac number, because 20030022232013 - 2² = 20030022232009 is a prime.

It is a super-2 number, since 2×20030022232013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030022232019) 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, 72050439545 + ... + 72050439822.

It is an arithmetic number, because the mean of its divisors is an integer number (5043530777880).

Almost surely, 2^{20030022232013} is an apocalyptic number.

It is an amenable number.

20030022232013 is a deficient number, since it is larger than the sum of its proper divisors (144100879507).

20030022232013 is a wasteful number, since it uses less digits than its factorization.

20030022232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144100879506.

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

Adding to 20030022232013 its reverse (31023222003002), we get a palindrome (51053244235015).

The spelling of 20030022232013 in words is "twenty trillion, thirty billion, twenty-two million, two hundred thirty-two thousand, thirteen".