13808390220 has 192 divisors, whose sum is σ = 45318873600. Its totient is φ = 3480848640.

The previous prime is 13808390161. The next prime is 13808390227. The reversal of 13808390220 is 2209380831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13808390227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5857282 + ... + 5859638.

It is an arithmetic number, because the mean of its divisors is an integer number (236035800).

Almost surely, 2^13808390220 is an apocalyptic number.

13808390220 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 13808390220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22659436800).

13808390220 is an abundant number, since it is smaller than the sum of its proper divisors (31510483380).

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

13808390220 is a wasteful number, since it uses less digits than its factorization.

13808390220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 13808390220 in words is "thirteen billion, eight hundred eight million, three hundred ninety thousand, two hundred twenty".