1110002020 has 48 divisors (see below), whose sum is σ = 2397403008. Its totient is φ = 431440640.

The previous prime is 1110001993. The next prime is 1110002041. The reversal of 1110002020 is 202000111.

It is a junction number, because it is equal to n+sod(n) for n = 1110001994 and 1110002012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213087 + ... + 218233.

It is an arithmetic number, because the mean of its divisors is an integer number (49945896).

Almost surely, 2^1110002020 is an apocalyptic number.

1110002020 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 1110002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198701504).

1110002020 is an abundant number, since it is smaller than the sum of its proper divisors (1287400988).

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

1110002020 is a wasteful number, since it uses less digits than its factorization.

1110002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460 (or 5458 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1110002020 is about 33316.6928130629. The cubic root of 1110002020 is about 1035.3994335278.

Adding to 1110002020 its reverse (202000111), we get a palindrome (1312002131).

The spelling of 1110002020 in words is "one billion, one hundred ten million, two thousand, twenty".