420331132984 has 64 divisors (see below), whose sum is σ = 904339895040. Its totient is φ = 179416823040.

The previous prime is 420331132981. The next prime is 420331132997. The reversal of 420331132984 is 489231133024.

It is a super-2 number, since 2×420331132984² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420331132981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22479079 + ... + 22497769.

It is an arithmetic number, because the mean of its divisors is an integer number (14130310860).

Almost surely, 2^420331132984 is an apocalyptic number.

It is an amenable number.

420331132984 is an abundant number, since it is smaller than the sum of its proper divisors (484008762056).

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

420331132984 is a wasteful number, since it uses less digits than its factorization.

420331132984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20300 (or 20296 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 420331132984 its sum of digits (40), we get a palindrome (420331133024).

The spelling of 420331132984 in words is "four hundred twenty billion, three hundred thirty-one million, one hundred thirty-two thousand, nine hundred eighty-four".