13030020220 has 72 divisors (see below), whose sum is σ = 31927437360. Its totient is φ = 4453827840.

The previous prime is 13030020197. The next prime is 13030020257. The reversal of 13030020220 is 2202003031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13030020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304296 + ... + 344464.

It is an arithmetic number, because the mean of its divisors is an integer number (443436630).

Almost surely, 2^13030020220 is an apocalyptic number.

13030020220 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 13030020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15963718680).

13030020220 is an abundant number, since it is smaller than the sum of its proper divisors (18897417140).

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

13030020220 is a wasteful number, since it uses less digits than its factorization.

13030020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40523 (or 40514 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 13030020220 its reverse (2202003031), we get a palindrome (15232023251).

The spelling of 13030020220 in words is "thirteen billion, thirty million, twenty thousand, two hundred twenty".