10303400220 has 96 divisors (see below), whose sum is σ = 29205163008. Its totient is φ = 2713857792.

The previous prime is 10303400209. The next prime is 10303400251. The reversal of 10303400220 is 2200430301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10303400220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2353954 + ... + 2358326.

It is an arithmetic number, because the mean of its divisors is an integer number (304220448).

Almost surely, 2^10303400220 is an apocalyptic number.

10303400220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10303400220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14602581504).

10303400220 is an abundant number, since it is smaller than the sum of its proper divisors (18901762788).

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

10303400220 is a wasteful number, since it uses less digits than its factorization.

10303400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4857 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 10303400220 its reverse (2200430301), we get a palindrome (12503830521).

The spelling of 10303400220 in words is "ten billion, three hundred three million, four hundred thousand, two hundred twenty".