420223132 has 24 divisors (see below), whose sum is σ = 846500480. Its totient is φ = 178798320.

The previous prime is 420223123. The next prime is 420223151. The reversal of 420223132 is 231322024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50094 + ... + 57877.

Almost surely, 2^420223132 is an apocalyptic number.

It is an amenable number.

420223132 is an abundant number, since it is smaller than the sum of its proper divisors (426277348).

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

420223132 is a wasteful number, since it uses less digits than its factorization.

420223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108121 (or 108119 counting only the distinct ones).

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

The square root of 420223132 is about 20499.3446724523. The cubic root of 420223132 is about 749.0198348523.

Adding to 420223132 its reverse (231322024), we get a palindrome (651545156).

It can be divided in two parts, 42022 and 3132, that added together give a palindrome (45154).

The spelling of 420223132 in words is "four hundred twenty million, two hundred twenty-three thousand, one hundred thirty-two".