10321200220 has 24 divisors (see below), whose sum is σ = 21685298544. Its totient is φ = 4126427136.

The previous prime is 10321200217. The next prime is 10321200269. The reversal of 10321200220 is 2200212301.

It is a self number, because there is not a number n which added to its sum of digits gives 10321200220.

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, 86757 + ... + 167836.

It is an arithmetic number, because the mean of its divisors is an integer number (903554106).

Almost surely, 2^10321200220 is an apocalyptic number.

10321200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321200220 is an abundant number, since it is smaller than the sum of its proper divisors (11364098324).

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

10321200220 is a wasteful number, since it uses less digits than its factorization.

10321200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256629 (or 256627 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10321200220 its reverse (2200212301), we get a palindrome (12521412521).

The spelling of 10321200220 in words is "ten billion, three hundred twenty-one million, two hundred thousand, two hundred twenty".