20100023013 has 16 divisors (see below), whose sum is σ = 31048178816. Its totient is φ = 11328387840.

The previous prime is 20100022951. The next prime is 20100023087. The reversal of 20100023013 is 31032000102.

It is a happy number.

It is not a de Polignac number, because 20100023013 - 2¹⁴ = 20100006629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20100023013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100023113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6554248 + ... + 6557313.

It is an arithmetic number, because the mean of its divisors is an integer number (1940511176).

Almost surely, 2^20100023013 is an apocalyptic number.

It is an amenable number.

20100023013 is a deficient number, since it is larger than the sum of its proper divisors (10948155803).

20100023013 is a wasteful number, since it uses less digits than its factorization.

20100023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111644.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20100023013 its reverse (31032000102), we get a palindrome (51132023115).

The spelling of 20100023013 in words is "twenty billion, one hundred million, twenty-three thousand, thirteen".