2058181720 has 64 divisors (see below), whose sum is σ = 5297659200. Its totient is φ = 704970240.

The previous prime is 2058181717. The next prime is 2058181733. The reversal of 2058181720 is 271818502.

It is a super-2 number, since 2×2058181720² = 8472223985084316800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341130 + ... + 347110.

It is an arithmetic number, because the mean of its divisors is an integer number (82775925).

Almost surely, 2^2058181720 is an apocalyptic number.

2058181720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2058181720 is an abundant number, since it is smaller than the sum of its proper divisors (3239477480).

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

2058181720 is a wasteful number, since it uses less digits than its factorization.

2058181720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228 (or 7224 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 2058181720 is about 45367.1877021267. The cubic root of 2058181720 is about 1272.0218523335.

The spelling of 2058181720 in words is "two billion, fifty-eight million, one hundred eighty-one thousand, seven hundred twenty".