20024072103013 has 4 divisors (see below), whose sum is σ = 21844442294208. Its totient is φ = 18203701911820.

The previous prime is 20024072102989. The next prime is 20024072103107. The reversal of 20024072103013 is 31030127042002.

It is a happy number.

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 20024072103013 - 2³³ = 20015482168421 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 (20024072103913) 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, 910185095581 + ... + 910185095602.

It is an arithmetic number, because the mean of its divisors is an integer number (5461110573552).

Almost surely, 2^{20024072103013} is an apocalyptic number.

It is an amenable number.

20024072103013 is a deficient number, since it is larger than the sum of its proper divisors (1820370191195).

20024072103013 is a wasteful number, since it uses less digits than its factorization.

20024072103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820370191194.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 20024072103013 its reverse (31030127042002), we get a palindrome (51054199145015).

The spelling of 20024072103013 in words is "twenty trillion, twenty-four billion, seventy-two million, one hundred three thousand, thirteen".