13103223220 has 24 divisors (see below), whose sum is σ = 28404407808. Its totient is φ = 5072215200.

The previous prime is 13103223173. The next prime is 13103223241. The reversal of 13103223220 is 2232230131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10566496 + ... + 10567735.

It is an arithmetic number, because the mean of its divisors is an integer number (1183516992).

Almost surely, 2^13103223220 is an apocalyptic number.

13103223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103223220 is an abundant number, since it is smaller than the sum of its proper divisors (15301184588).

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

13103223220 is a wasteful number, since it uses less digits than its factorization.

13103223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21134271 (or 21134269 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13103223220 its reverse (2232230131), we get a palindrome (15335453351).

It can be divided in two parts, 1310 and 3223220, that added together give a triangular number (3224530 = T₂₅₃₉).

The spelling of 13103223220 in words is "thirteen billion, one hundred three million, two hundred twenty-three thousand, two hundred twenty".