420322132 has 12 divisors (see below), whose sum is σ = 736241940. Its totient is φ = 209967296.

The previous prime is 420322117. The next prime is 420322139. The reversal of 420322132 is 231223024.

It can be written as a sum of positive squares in 2 ways, for example, as 130096836 + 290225296 = 11406^2 + 17036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420322139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43507 + ... + 52282.

It is an arithmetic number, because the mean of its divisors is an integer number (61353495).

Almost surely, 2^420322132 is an apocalyptic number.

It is an amenable number.

420322132 is a deficient number, since it is larger than the sum of its proper divisors (315919808).

420322132 is a wasteful number, since it uses less digits than its factorization.

420322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96890 (or 96888 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 420322132 is about 20501.7592415870. The cubic root of 420322132 is about 749.0786505430.

Adding to 420322132 its reverse (231223024), we get a palindrome (651545156).

It can be divided in two parts, 4203 and 22132, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 420322132 in words is "four hundred twenty million, three hundred twenty-two thousand, one hundred thirty-two".