431104020 has 96 divisors (see below), whose sum is σ = 1312754688. Its totient is φ = 105265152.

The previous prime is 431104013. The next prime is 431104033. The reversal of 431104020 is 20401134.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32029 + ... + 43451.

It is an arithmetic number, because the mean of its divisors is an integer number (13674528).

Almost surely, 2^431104020 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 431104020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656377344).

431104020 is an abundant number, since it is smaller than the sum of its proper divisors (881650668).

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

431104020 is a wasteful number, since it uses less digits than its factorization.

431104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489 (or 11487 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 431104020 is about 20763.0445744356. The cubic root of 431104020 is about 755.4296459580.

Adding to 431104020 its reverse (20401134), we get a palindrome (451505154).

The spelling of 431104020 in words is "four hundred thirty-one million, one hundred four thousand, twenty".