13013022313220 has 24 divisors (see below), whose sum is σ = 27359383642584. Its totient is φ = 5199106680576.

The previous prime is 13013022313211. The next prime is 13013022313229. The reversal of 13013022313220 is 2231322031031.

It is an interprime number because it is at equal distance from previous prime (13013022313211) and next prime (13013022313229).

It can be written as a sum of positive squares in 4 ways, for example, as 1859399505604 + 11153622807616 = 1363598^2 + 3339704^2 .

It is not an unprimeable number, because it can be changed into a prime (13013022313229) 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, 381372809 + ... + 381406928.

It is an arithmetic number, because the mean of its divisors is an integer number (1139974318441).

Almost surely, 2^{13013022313220} is an apocalyptic number.

13013022313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013022313220 is an abundant number, since it is smaller than the sum of its proper divisors (14346361329364).

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

13013022313220 is a wasteful number, since it uses less digits than its factorization.

13013022313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762780599 (or 762780597 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13013022313220 its reverse (2231322031031), we get a palindrome (15244344344251).

The spelling of 13013022313220 in words is "thirteen trillion, thirteen billion, twenty-two million, three hundred thirteen thousand, two hundred twenty".