1133556620 has 24 divisors (see below), whose sum is σ = 2720536224. Its totient is φ = 388647936.

The previous prime is 1133556607. The next prime is 1133556631. The reversal of 1133556620 is 266553311.

It is a super-2 number, since 2×1133556620² = 2569901221491648800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4048277 + ... + 4048556.

It is an arithmetic number, because the mean of its divisors is an integer number (113355676).

Almost surely, 2^1133556620 is an apocalyptic number.

1133556620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133556620 is an abundant number, since it is smaller than the sum of its proper divisors (1586979604).

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

1133556620 is a wasteful number, since it uses less digits than its factorization.

1133556620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096849 (or 8096847 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1133556620 is about 33668.3325990462. The cubic root of 1133556620 is about 1042.6720673988.

The spelling of 1133556620 in words is "one billion, one hundred thirty-three million, five hundred fifty-six thousand, six hundred twenty".