13012332020 has 48 divisors (see below), whose sum is σ = 28900603200. Its totient is φ = 4907589120.

The previous prime is 13012332017. The next prime is 13012332023. The reversal of 13012332020 is 2023321031.

It is an interprime number because it is at equal distance from previous prime (13012332017) and next prime (13012332023).

It is a self number, because there is not a number n which added to its sum of digits gives 13012332020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012332023) 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, 965 + ... + 161324.

It is an arithmetic number, because the mean of its divisors is an integer number (602095900).

Almost surely, 2^13012332020 is an apocalyptic number.

13012332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13012332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14450301600).

13012332020 is an abundant number, since it is smaller than the sum of its proper divisors (15888271180).

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

13012332020 is a wasteful number, since it uses less digits than its factorization.

13012332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162528 (or 162526 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13012332020 its reverse (2023321031), we get a palindrome (15035653051).

The spelling of 13012332020 in words is "thirteen billion, twelve million, three hundred thirty-two thousand, twenty".