402200320 has 36 divisors (see below), whose sum is σ = 963398520. Its totient is φ = 160879616.

The previous prime is 402200269. The next prime is 402200339. The reversal of 402200320 is 23002204.

It is a self number, because there is not a number n which added to its sum of digits gives 402200320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155830 + ... + 158389.

It is an arithmetic number, because the mean of its divisors is an integer number (26761070).

Almost surely, 2^402200320 is an apocalyptic number.

402200320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402200320 is an abundant number, since it is smaller than the sum of its proper divisors (561198200).

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

402200320 is an equidigital number, since it uses as much as digits as its factorization.

402200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314240 (or 314226 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 402200320 is about 20054.9325603453. The cubic root of 402200320 is about 738.1548380936.

Adding to 402200320 its reverse (23002204), we get a palindrome (425202524).

The spelling of 402200320 in words is "four hundred two million, two hundred thousand, three hundred twenty".