6403360220 has 24 divisors (see below), whose sum is σ = 13448559600. Its totient is φ = 2561057792.

The previous prime is 6403360219. The next prime is 6403360273. The reversal of 6403360220 is 220633046.

It is a self number, because there is not a number n which added to its sum of digits gives 6403360220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345551 + ... + 363609.

It is an arithmetic number, because the mean of its divisors is an integer number (560356650).

Almost surely, 2^6403360220 is an apocalyptic number.

It is an amenable number.

6403360220 is an abundant number, since it is smaller than the sum of its proper divisors (7045199380).

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

6403360220 is a wasteful number, since it uses less digits than its factorization.

6403360220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35797 (or 35795 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 6403360220 is about 80020.9986191125. The cubic root of 6403360220 is about 1856.9604090871.

Adding to 6403360220 its reverse (220633046), we get a palindrome (6623993266).

The spelling of 6403360220 in words is "six billion, four hundred three million, three hundred sixty thousand, two hundred twenty".