1003403104220 has 48 divisors (see below), whose sum is σ = 2298791190528. Its totient is φ = 364860221760.

The previous prime is 1003403104217. The next prime is 1003403104267. The reversal of 1003403104220 is 224013043001.

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 = 1003403104192 and 1003403104201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7245749 + ... + 7382931.

It is an arithmetic number, because the mean of its divisors is an integer number (47891483136).

Almost surely, 2^{1003403104220} is an apocalyptic number.

1003403104220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003403104220 is an abundant number, since it is smaller than the sum of its proper divisors (1295388086308).

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

1003403104220 is a wasteful number, since it uses less digits than its factorization.

1003403104220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170450 (or 170448 counting only the distinct ones).

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

Adding to 1003403104220 its reverse (224013043001), we get a palindrome (1227416147221).

The spelling of 1003403104220 in words is "one trillion, three billion, four hundred three million, one hundred four thousand, two hundred twenty".