20013031103023 has 8 divisors (see below), whose sum is σ = 22873555100448. Its totient is φ = 17152886994144.

The previous prime is 20013031102991. The next prime is 20013031103069. The reversal of 20013031103023 is 32030113031002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20013031103023 - 2⁵ = 20013031102991 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 (20013031103083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94859236 + ... + 95069977.

It is an arithmetic number, because the mean of its divisors is an integer number (2859194387556).

Almost surely, 2^{20013031103023} is an apocalyptic number.

20013031103023 is a deficient number, since it is larger than the sum of its proper divisors (2860523997425).

20013031103023 is a wasteful number, since it uses less digits than its factorization.

20013031103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189944273.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20013031103023 its reverse (32030113031002), we get a palindrome (52043144134025).

The spelling of 20013031103023 in words is "twenty trillion, thirteen billion, thirty-one million, one hundred three thousand, twenty-three".