2120827793 has 4 divisors (see below), whose sum is σ = 2423803200. Its totient is φ = 1817852388.

The previous prime is 2120827781. The next prime is 2120827799. The reversal of 2120827793 is 3977280212.

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 2120827793 - 2¹² = 2120823697 is a prime.

It is a super-2 number, since 2×2120827793² = 8995821055122501698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120827793.

It is not an unprimeable number, because it can be changed into a prime (2120827799) 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, 151487693 + ... + 151487706.

It is an arithmetic number, because the mean of its divisors is an integer number (605950800).

Almost surely, 2^2120827793 is an apocalyptic number.

It is an amenable number.

2120827793 is a deficient number, since it is larger than the sum of its proper divisors (302975407).

2120827793 is an equidigital number, since it uses as much as digits as its factorization.

2120827793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302975406.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 2120827793 is about 46052.4461131002. The cubic root of 2120827793 is about 1284.7988386424.

The spelling of 2120827793 in words is "two billion, one hundred twenty million, eight hundred twenty-seven thousand, seven hundred ninety-three".