13151333220 has 72 divisors (see below), whose sum is σ = 37193665152. Its totient is φ = 3472137600.

The previous prime is 13151333203. The next prime is 13151333249. The reversal of 13151333220 is 2233315131.

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, 601317 + ... + 622803.

Almost surely, 2^13151333220 is an apocalyptic number.

13151333220 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 13151333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18596832576).

13151333220 is an abundant number, since it is smaller than the sum of its proper divisors (24042331932).

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

13151333220 is a wasteful number, since it uses less digits than its factorization.

13151333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21701 (or 21598 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 13151333220 its reverse (2233315131), we get a palindrome (15384648351).

The spelling of 13151333220 in words is "thirteen billion, one hundred fifty-one million, three hundred thirty-three thousand, two hundred twenty".