13023211020 has 96 divisors (see below), whose sum is σ = 36694316736. Its totient is φ = 3451084800.

The previous prime is 13023210917. The next prime is 13023211027. The reversal of 13023211020 is 2011232031.

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 (13023211027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11871112 + ... + 11872208.

It is an arithmetic number, because the mean of its divisors is an integer number (382232466).

Almost surely, 2^13023211020 is an apocalyptic number.

13023211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023211020 is an abundant number, since it is smaller than the sum of its proper divisors (23671105716).

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

13023211020 is a wasteful number, since it uses less digits than its factorization.

13023211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13023211020 its reverse (2011232031), we get a palindrome (15034443051).

The spelling of 13023211020 in words is "thirteen billion, twenty-three million, two hundred eleven thousand, twenty".