2051773320 has 32 divisors (see below), whose sum is σ = 6155320320. Its totient is φ = 547139520.

The previous prime is 2051773319. The next prime is 2051773343. The reversal of 2051773320 is 233771502.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8548936 + ... + 8549175.

It is an arithmetic number, because the mean of its divisors is an integer number (192353760).

Almost surely, 2^2051773320 is an apocalyptic number.

2051773320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051773320 is an abundant number, since it is smaller than the sum of its proper divisors (4103547000).

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

2051773320 is a wasteful number, since it uses less digits than its factorization.

2051773320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17098125 (or 17098121 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 2051773320 is about 45296.5045008994. The cubic root of 2051773320 is about 1270.7002813267.

The spelling of 2051773320 in words is "two billion, fifty-one million, seven hundred seventy-three thousand, three hundred twenty".