20013023130 has 32 divisors (see below), whose sum is σ = 48937509504. Its totient is φ = 5236111296.

The previous prime is 20013023111. The next prime is 20013023131. The reversal of 20013023130 is 3132031002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20013023131) 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, 6291814 + ... + 6294993.

It is an arithmetic number, because the mean of its divisors is an integer number (1529297172).

Almost surely, 2^20013023130 is an apocalyptic number.

20013023130 is an abundant number, since it is smaller than the sum of its proper divisors (28924486374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013023130 is a wasteful number, since it uses less digits than its factorization.

20013023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12586870.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20013023130 its reverse (3132031002), we get a palindrome (23145054132).

The spelling of 20013023130 in words is "twenty billion, thirteen million, twenty-three thousand, one hundred thirty".