13020022020 has 48 divisors (see below), whose sum is σ = 36461109888. Its totient is φ = 3471525120.

The previous prime is 13020021967. The next prime is 13020022049. The reversal of 13020022020 is 2022002031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13020021987 and 13020022005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715272 + ... + 733248.

It is an arithmetic number, because the mean of its divisors is an integer number (759606456).

Almost surely, 2^13020022020 is an apocalyptic number.

13020022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13020022020 is an abundant number, since it is smaller than the sum of its proper divisors (23441087868).

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

13020022020 is a wasteful number, since it uses less digits than its factorization.

13020022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30060 (or 30058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 13020022020 its reverse (2022002031), we get a palindrome (15042024051).

The spelling of 13020022020 in words is "thirteen billion, twenty million, twenty-two thousand, twenty".