420331160 has 16 divisors (see below), whose sum is σ = 945745200. Its totient is φ = 168132448.

The previous prime is 420331159. The next prime is 420331169. The reversal of 420331160 is 61133024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420331169) 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, 5254100 + ... + 5254179.

It is an arithmetic number, because the mean of its divisors is an integer number (59109075).

Almost surely, 2^420331160 is an apocalyptic number.

420331160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420331160 is an abundant number, since it is smaller than the sum of its proper divisors (525414040).

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

420331160 is a wasteful number, since it uses less digits than its factorization.

420331160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508290 (or 10508286 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 420331160 is about 20501.9794166319. The cubic root of 420331160 is about 749.0840135992.

Adding to 420331160 its reverse (61133024), we get a palindrome (481464184).

The spelling of 420331160 in words is "four hundred twenty million, three hundred thirty-one thousand, one hundred sixty".