1108980020 has 24 divisors (see below), whose sum is σ = 2329651968. Its totient is φ = 443440800.

The previous prime is 1108980017. The next prime is 1108980113. The reversal of 1108980020 is 200898011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64985 + ... + 80255.

It is an arithmetic number, because the mean of its divisors is an integer number (97068832).

Almost surely, 2^1108980020 is an apocalyptic number.

1108980020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108980020 is an abundant number, since it is smaller than the sum of its proper divisors (1220671948).

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

1108980020 is a wasteful number, since it uses less digits than its factorization.

1108980020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18911 (or 18909 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1108980020 is about 33301.3516242209. The cubic root of 1108980020 is about 1035.0815652928.

The spelling of 1108980020 in words is "one billion, one hundred eight million, nine hundred eighty thousand, twenty".