1116198020 has 48 divisors (see below), whose sum is σ = 2729438208. Its totient is φ = 375473280.

The previous prime is 1116198001. The next prime is 1116198043. The reversal of 1116198020 is 208916111.

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, 67796 + ... + 82635.

It is an arithmetic number, because the mean of its divisors is an integer number (56863296).

Almost surely, 2^1116198020 is an apocalyptic number.

1116198020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1116198020 is an abundant number, since it is smaller than the sum of its proper divisors (1613240188).

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

1116198020 is a wasteful number, since it uses less digits than its factorization.

1116198020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150500 (or 150498 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1116198020 is about 33409.5498323458. The cubic root of 1116198020 is about 1037.3223834909.

The spelling of 1116198020 in words is "one billion, one hundred sixteen million, one hundred ninety-eight thousand, twenty".