2120392055 has 4 divisors (see below), whose sum is σ = 2544470472. Its totient is φ = 1696313640.

The previous prime is 2120392051. The next prime is 2120392061. The reversal of 2120392055 is 5502930212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2120392055 - 2² = 2120392051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120392051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212039201 + ... + 212039210.

It is an arithmetic number, because the mean of its divisors is an integer number (636117618).

Almost surely, 2^2120392055 is an apocalyptic number.

2120392055 is a deficient number, since it is larger than the sum of its proper divisors (424078417).

2120392055 is an equidigital number, since it uses as much as digits as its factorization.

2120392055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424078416.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2120392055 is about 46047.7149813104. The cubic root of 2120392055 is about 1284.7108424957.

The spelling of 2120392055 in words is "two billion, one hundred twenty million, three hundred ninety-two thousand, fifty-five".