13232211220 has 24 divisors (see below), whose sum is σ = 27790573608. Its totient is φ = 5292326400.

The previous prime is 13232211217. The next prime is 13232211227. The reversal of 13232211220 is 2211223231.

It can be written as a sum of positive squares in 4 ways, for example, as 1484252676 + 11747958544 = 38526^2 + 108388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232211227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197200 + ... + 255640.

It is an arithmetic number, because the mean of its divisors is an integer number (1157940567).

Almost surely, 2^13232211220 is an apocalyptic number.

13232211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13232211220 is an abundant number, since it is smaller than the sum of its proper divisors (14558362388).

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

13232211220 is a wasteful number, since it uses less digits than its factorization.

13232211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69771 (or 69769 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13232211220 its reverse (2211223231), we get a palindrome (15443434451).

The spelling of 13232211220 in words is "thirteen billion, two hundred thirty-two million, two hundred eleven thousand, two hundred twenty".