2120554255 has 8 divisors (see below), whose sum is σ = 2560874112. Its totient is φ = 1685637408.

The previous prime is 2120554243. The next prime is 2120554273. The reversal of 2120554255 is 5524550212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120554255 - 2¹⁷ = 2120423183 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1349887 + ... + 1351456.

It is an arithmetic number, because the mean of its divisors is an integer number (320109264).

Almost surely, 2^2120554255 is an apocalyptic number.

2120554255 is a deficient number, since it is larger than the sum of its proper divisors (440319857).

2120554255 is a wasteful number, since it uses less digits than its factorization.

2120554255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701505.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 2120554255 is about 46049.4761642301. The cubic root of 2120554255 is about 1284.7435997689.

The spelling of 2120554255 in words is "two billion, one hundred twenty million, five hundred fifty-four thousand, two hundred fifty-five".