2120531995 has 8 divisors (see below), whose sum is σ = 2544895584. Its totient is φ = 1696254144.

The previous prime is 2120531981. The next prime is 2120532017. The reversal of 2120531995 is 5991350212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120531995 is a prime.

It is a Duffinian 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, 63802 + ... + 91168.

It is an arithmetic number, because the mean of its divisors is an integer number (318111948).

Almost surely, 2^2120531995 is an apocalyptic number.

2120531995 is a deficient number, since it is larger than the sum of its proper divisors (424363589).

2120531995 is a wasteful number, since it uses less digits than its factorization.

2120531995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42869.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 2120531995 is about 46049.2344670354. The cubic root of 2120531995 is about 1284.7391043258.

The spelling of 2120531995 in words is "two billion, one hundred twenty million, five hundred thirty-one thousand, nine hundred ninety-five".