6402205320 has 64 divisors (see below), whose sum is σ = 21950421120. Its totient is φ = 1463361024.

The previous prime is 6402205289. The next prime is 6402205333. The reversal of 6402205320 is 235022046.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3809997 + ... + 3811676.

It is an arithmetic number, because the mean of its divisors is an integer number (342975330).

Almost surely, 2^6402205320 is an apocalyptic number.

6402205320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6402205320 is an abundant number, since it is smaller than the sum of its proper divisors (15548215800).

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

6402205320 is a wasteful number, since it uses less digits than its factorization.

6402205320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621694 (or 7621690 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 6402205320 is about 80013.7820628421. The cubic root of 6402205320 is about 1856.8487628863.

Adding to 6402205320 its reverse (235022046), we get a palindrome (6637227366).

The spelling of 6402205320 in words is "six billion, four hundred two million, two hundred five thousand, three hundred twenty".