2120485578 has 8 divisors (see below), whose sum is σ = 4240971168. Its totient is φ = 706828524.

The previous prime is 2120485559. The next prime is 2120485583. The reversal of 2120485578 is 8755840212.

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

2120485578 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176707126 + ... + 176707137.

It is an arithmetic number, because the mean of its divisors is an integer number (530121396).

Almost surely, 2^2120485578 is an apocalyptic number.

2120485578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2120485578 is a wasteful number, since it uses less digits than its factorization.

2120485578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353414268.

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 2120485578 is about 46048.7304710999. The cubic root of 2120485578 is about 1284.7297302363.

The spelling of 2120485578 in words is "two billion, one hundred twenty million, four hundred eighty-five thousand, five hundred seventy-eight".