1120553020 has 24 divisors (see below), whose sum is σ = 2353914864. Its totient is φ = 448077696.

The previous prime is 1120553017. The next prime is 1120553033. The reversal of 1120553020 is 203550211.

It is a super-2 number, since 2×1120553020² = 2511278141262240800, which contains 22 as substring.

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, 73584 + ... + 87496.

It is an arithmetic number, because the mean of its divisors is an integer number (98079786).

Almost surely, 2^1120553020 is an apocalyptic number.

1120553020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120553020 is an abundant number, since it is smaller than the sum of its proper divisors (1233361844).

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

1120553020 is a wasteful number, since it uses less digits than its factorization.

1120553020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17949 (or 17947 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1120553020 is about 33474.6623582673. The cubic root of 1120553020 is about 1038.6697180244.

The spelling of 1120553020 in words is "one billion, one hundred twenty million, five hundred fifty-three thousand, twenty".