132402123220 has 24 divisors (see below), whose sum is σ = 278106258024. Its totient is φ = 52949078016.

The previous prime is 132402123209. The next prime is 132402123353. The reversal of 132402123220 is 22321204231.

It can be written as a sum of positive squares in 4 ways, for example, as 3964465296 + 128437657924 = 62964^2 + 358382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132402123191 and 132402123200.

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, 643189 + ... + 823708.

It is an arithmetic number, because the mean of its divisors is an integer number (11587760751).

Almost surely, 2^132402123220 is an apocalyptic number.

132402123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132402123220 is an abundant number, since it is smaller than the sum of its proper divisors (145704134804).

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

132402123220 is a wasteful number, since it uses less digits than its factorization.

132402123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471419 (or 1471417 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 132402123220 its reverse (22321204231), we get a palindrome (154723327451).

The spelling of 132402123220 in words is "one hundred thirty-two billion, four hundred two million, one hundred twenty-three thousand, two hundred twenty".