1120319820 has 36 divisors (see below), whose sum is σ = 3398304000. Its totient is φ = 298751904.

The previous prime is 1120319791. The next prime is 1120319843. The reversal of 1120319820 is 289130211.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3111820 + ... + 3112179.

Almost surely, 2^1120319820 is an apocalyptic number.

1120319820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120319820 is an abundant number, since it is smaller than the sum of its proper divisors (2277984180).

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

1120319820 is a wasteful number, since it uses less digits than its factorization.

1120319820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224014 (or 6224009 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1120319820 is about 33471.1789454749. The cubic root of 1120319820 is about 1038.5976599785.

The spelling of 1120319820 in words is "one billion, one hundred twenty million, three hundred nineteen thousand, eight hundred twenty".