2820112097 has 4 divisors (see below), whose sum is σ = 3076485936. Its totient is φ = 2563738260.

The previous prime is 2820112073. The next prime is 2820112103. The reversal of 2820112097 is 7902110282.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2820112097 - 2²⁰ = 2819063521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2820112007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128186903 + ... + 128186924.

It is an arithmetic number, because the mean of its divisors is an integer number (769121484).

Almost surely, 2^2820112097 is an apocalyptic number.

It is an amenable number.

2820112097 is a deficient number, since it is larger than the sum of its proper divisors (256373839).

2820112097 is a wasteful number, since it uses less digits than its factorization.

2820112097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256373838.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 2820112097 is about 53104.7276332343. The cubic root of 2820112097 is about 1412.8263641614.

The spelling of 2820112097 in words is "two billion, eight hundred twenty million, one hundred twelve thousand, ninety-seven".