2120551055 has 32 divisors (see below), whose sum is σ = 2951935488. Its totient is φ = 1432368000.

The previous prime is 2120551003. The next prime is 2120551091. The reversal of 2120551055 is 5501550212.

It is not a de Polignac number, because 2120551055 - 2¹⁴ = 2120534671 is a prime.

It is a super-2 number, since 2×2120551055² = 8993473553723226050, which contains 22 as substring.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 744464 + ... + 747306.

It is an arithmetic number, because the mean of its divisors is an integer number (92247984).

Almost surely, 2^2120551055 is an apocalyptic number.

2120551055 is a deficient number, since it is larger than the sum of its proper divisors (831384433).

2120551055 is a wasteful number, since it uses less digits than its factorization.

2120551055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 2120551055 is about 46049.4414189792. The cubic root of 2120551055 is about 1284.7429535256.

The spelling of 2120551055 in words is "two billion, one hundred twenty million, five hundred fifty-one thousand, fifty-five".