1100003202420 has 96 divisors (see below), whose sum is σ = 3100969267200. Its totient is φ = 291338678400.

The previous prime is 1100003202383. The next prime is 1100003202437. The reversal of 1100003202420 is 242023000011.

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 1100003202420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97833319 + ... + 97844561.

It is an arithmetic number, because the mean of its divisors is an integer number (32301763200).

Almost surely, 2^{1100003202420} is an apocalyptic number.

1100003202420 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 1100003202420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550484633600).

1100003202420 is an abundant number, since it is smaller than the sum of its proper divisors (2000966064780).

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

1100003202420 is a wasteful number, since it uses less digits than its factorization.

1100003202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22205 (or 22203 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1100003202420 its reverse (242023000011), we get a palindrome (1342026202431).

The spelling of 1100003202420 in words is "one trillion, one hundred billion, three million, two hundred two thousand, four hundred twenty".