1120220090 has 64 divisors (see below), whose sum is σ = 2299207680. Its totient is φ = 389336640.

The previous prime is 1120220089. The next prime is 1120220131. The reversal of 1120220090 is 900220211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219791 + ... + 224829.

It is an arithmetic number, because the mean of its divisors is an integer number (35925120).

Almost surely, 2^1120220090 is an apocalyptic number.

1120220090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120220090 is an abundant number, since it is smaller than the sum of its proper divisors (1178987590).

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

1120220090 is a wasteful number, since it uses less digits than its factorization.

1120220090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1120220090 is about 33469.6891231454. The cubic root of 1120220090 is about 1038.5668406784.

The spelling of 1120220090 in words is "one billion, one hundred twenty million, two hundred twenty thousand, ninety".