403132020 has 96 divisors (see below), whose sum is σ = 1170263808. Its totient is φ = 103606272.

The previous prime is 403132003. The next prime is 403132021. The reversal of 403132020 is 20231304.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403132021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250057 + ... + 251663.

It is an arithmetic number, because the mean of its divisors is an integer number (12190248).

Almost surely, 2^403132020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585131904).

403132020 is an abundant number, since it is smaller than the sum of its proper divisors (767131788).

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

403132020 is a wasteful number, since it uses less digits than its factorization.

403132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 403132020 is about 20078.1478229442. The cubic root of 403132020 is about 738.7243789088.

Adding to 403132020 its reverse (20231304), we get a palindrome (423363324).

The spelling of 403132020 in words is "four hundred three million, one hundred thirty-two thousand, twenty".