1102000020 has 48 divisors (see below), whose sum is σ = 3366111168. Its totient is φ = 267151360.

The previous prime is 1102000013. The next prime is 1102000033. The reversal of 1102000020 is 200002011.

It is a happy number.

1102000020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 1101999972 and 1102000008.

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, 834189 + ... + 835508.

It is an arithmetic number, because the mean of its divisors is an integer number (70127316).

Almost surely, 2^1102000020 is an apocalyptic number.

1102000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102000020 is an abundant number, since it is smaller than the sum of its proper divisors (2264111148).

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

1102000020 is a wasteful number, since it uses less digits than its factorization.

1102000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669720 (or 1669718 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1102000020 is about 33196.3856466333. The cubic root of 1102000020 is about 1032.9053672337.

Adding to 1102000020 its reverse (200002011), we get a palindrome (1302002031).

The spelling of 1102000020 in words is "one billion, one hundred two million, twenty", and thus it is an aban number.