132221020224520 has 32 divisors (see below), whose sum is σ = 299493921663000. Its totient is φ = 52533452328448.

The previous prime is 132221020224511. The next prime is 132221020224529. The reversal of 132221020224520 is 25422020122231.

It is an interprime number because it is at equal distance from previous prime (132221020224511) and next prime (132221020224529).

It can be written as a sum of positive squares in 4 ways, for example, as 60157118234404 + 72063901990116 = 7756102^2 + 8489046^2 .

It is not an unprimeable number, because it can be changed into a prime (132221020224529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11092361509 + ... + 11092373428.

Almost surely, 2^{132221020224520} is an apocalyptic number.

132221020224520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132221020224520 is an abundant number, since it is smaller than the sum of its proper divisors (167272901438480).

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

132221020224520 is a wasteful number, since it uses less digits than its factorization.

132221020224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22184735097 (or 22184735093 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 132221020224520 its reverse (25422020122231), we get a palindrome (157643040346751).

The spelling of 132221020224520 in words is "one hundred thirty-two trillion, two hundred twenty-one billion, twenty million, two hundred twenty-four thousand, five hundred twenty".