10404331220 has 48 divisors (see below), whose sum is σ = 23210140800. Its totient is φ = 3906506880.

The previous prime is 10404331219. The next prime is 10404331229. The reversal of 10404331220 is 2213340401.

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 = 10404331192 and 10404331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404331229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84176 + ... + 167015.

It is an arithmetic number, because the mean of its divisors is an integer number (483544600).

Almost surely, 2^10404331220 is an apocalyptic number.

10404331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10404331220 is an abundant number, since it is smaller than the sum of its proper divisors (12805809580).

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

10404331220 is a wasteful number, since it uses less digits than its factorization.

10404331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251328 (or 251326 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10404331220 its reverse (2213340401), we get a palindrome (12617671621).

The spelling of 10404331220 in words is "ten billion, four hundred four million, three hundred thirty-one thousand, two hundred twenty".