10304440220 has 24 divisors (see below), whose sum is σ = 22580165664. Its totient is φ = 3942568256.

The previous prime is 10304440199. The next prime is 10304440277. The reversal of 10304440220 is 2204440301.

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

It is a junction number, because it is equal to n+sod(n) for n = 10304440192 and 10304440201.

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, 11200019 + ... + 11200938.

It is an arithmetic number, because the mean of its divisors is an integer number (940840236).

Almost surely, 2^10304440220 is an apocalyptic number.

10304440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10304440220 is an abundant number, since it is smaller than the sum of its proper divisors (12275725444).

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

10304440220 is a wasteful number, since it uses less digits than its factorization.

10304440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22400989 (or 22400987 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10304440220 its reverse (2204440301), we get a palindrome (12508880521).

The spelling of 10304440220 in words is "ten billion, three hundred four million, four hundred forty thousand, two hundred twenty".