420442432132 has 12 divisors (see below), whose sum is σ = 735787936576. Its totient is φ = 210217307400.

The previous prime is 420442432063. The next prime is 420442432139. The reversal of 420442432132 is 231234244024.

It is a junction number, because it is equal to n+sod(n) for n = 420442432094 and 420442432103.

It is not an unprimeable number, because it can be changed into a prime (420442432139) 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, 728088 + ... + 1170895.

Almost surely, 2^420442432132 is an apocalyptic number.

It is an amenable number.

420442432132 is a deficient number, since it is larger than the sum of its proper divisors (315345504444).

420442432132 is a wasteful number, since it uses less digits than its factorization.

420442432132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954338 (or 1954336 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 420442432132 its reverse (231234244024), we get a palindrome (651676676156).

The spelling of 420442432132 in words is "four hundred twenty billion, four hundred forty-two million, four hundred thirty-two thousand, one hundred thirty-two".