2120485577 has 16 divisors (see below), whose sum is σ = 2518922112. Its totient is φ = 1747111680.

The previous prime is 2120485559. The next prime is 2120485583. The reversal of 2120485577 is 7755840212.

It is a cyclic number.

It is not a de Polignac number, because 2120485577 - 2¹⁴ = 2120469193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120485517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27824 + ... + 70817.

It is an arithmetic number, because the mean of its divisors is an integer number (157432632).

Almost surely, 2^2120485577 is an apocalyptic number.

It is an amenable number.

2120485577 is a deficient number, since it is larger than the sum of its proper divisors (398436535).

2120485577 is an equidigital number, since it uses as much as digits as its factorization.

2120485577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98768.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 2120485577 is about 46048.7304602418. The cubic root of 2120485577 is about 1284.7297300344.

The spelling of 2120485577 in words is "two billion, one hundred twenty million, four hundred eighty-five thousand, five hundred seventy-seven".