1102987020 has 48 divisors (see below), whose sum is σ = 3171839328. Its totient is φ = 286179840.

The previous prime is 1102987009. The next prime is 1102987033. The reversal of 1102987020 is 207892011.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 246201 + ... + 250640.

It is an arithmetic number, because the mean of its divisors is an integer number (66079986).

Almost surely, 2^1102987020 is an apocalyptic number.

1102987020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102987020 is an abundant number, since it is smaller than the sum of its proper divisors (2068852308).

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

1102987020 is a wasteful number, since it uses less digits than its factorization.

1102987020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496890 (or 496888 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1102987020 is about 33211.2483956867. The cubic root of 1102987020 is about 1033.2136471391.

The spelling of 1102987020 in words is "one billion, one hundred two million, nine hundred eighty-seven thousand, twenty".