1100302003020 has 192 divisors, whose sum is σ = 3561619299840. Its totient is φ = 251260262400.

The previous prime is 1100302002997. The next prime is 1100302003039. The reversal of 1100302003020 is 203002030011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100302002987 and 1100302003005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83679 + ... + 1485801.

It is an arithmetic number, because the mean of its divisors is an integer number (18550100520).

Almost surely, 2^{1100302003020} is an apocalyptic number.

1100302003020 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 1100302003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780809649920).

1100302003020 is an abundant number, since it is smaller than the sum of its proper divisors (2461317296820).

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

1100302003020 is a wasteful number, since it uses less digits than its factorization.

1100302003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402216 (or 1402214 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1100302003020 its reverse (203002030011), we get a palindrome (1303304033031).

The spelling of 1100302003020 in words is "one trillion, one hundred billion, three hundred two million, three thousand, twenty".