220331311132 has 24 divisors (see below), whose sum is σ = 388334225664. Its totient is φ = 109381322352.

The previous prime is 220331311117. The next prime is 220331311133. The reversal of 220331311132 is 231113133022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220331311133) 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, 2643 + ... + 663829.

It is an arithmetic number, because the mean of its divisors is an integer number (16180592736).

Almost surely, 2^220331311132 is an apocalyptic number.

It is an amenable number.

220331311132 is a deficient number, since it is larger than the sum of its proper divisors (168002914532).

220331311132 is a wasteful number, since it uses less digits than its factorization.

220331311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661785 (or 661783 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 220331311132 its reverse (231113133022), we get a palindrome (451444444154).

The spelling of 220331311132 in words is "two hundred twenty billion, three hundred thirty-one million, three hundred eleven thousand, one hundred thirty-two".