420204132 has 48 divisors (see below), whose sum is σ = 1124569600. Its totient is φ = 135548640.

The previous prime is 420204131. The next prime is 420204143. The reversal of 420204132 is 231402024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (420204131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59407 + ... + 66102.

Almost surely, 2^420204132 is an apocalyptic number.

It is an amenable number.

420204132 is an abundant number, since it is smaller than the sum of its proper divisors (704365468).

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

420204132 is a wasteful number, since it uses less digits than its factorization.

420204132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125553 (or 125545 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 420204132 is about 20498.8812377651. The cubic root of 420204132 is about 749.0085459360.

Adding to 420204132 its reverse (231402024), we get a palindrome (651606156).

The spelling of 420204132 in words is "four hundred twenty million, two hundred four thousand, one hundred thirty-two".