2120005841 has 4 divisors (see below), whose sum is σ = 2212180032. Its totient is φ = 2027831652.

The previous prime is 2120005801. The next prime is 2120005861. The reversal of 2120005841 is 1485000212.

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 2120005841 - 2¹⁴ = 2119989457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 92174167 = 2120005841 / (2 + 1 + 2 + 0 + 0 + 0 + 5 + 8 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120005801) 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, 46087061 + ... + 46087106.

It is an arithmetic number, because the mean of its divisors is an integer number (553045008).

Almost surely, 2^2120005841 is an apocalyptic number.

It is an amenable number.

2120005841 is a deficient number, since it is larger than the sum of its proper divisors (92174191).

2120005841 is an equidigital number, since it uses as much as digits as its factorization.

2120005841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92174190.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2120005841 is about 46043.5211620484. The cubic root of 2120005841 is about 1284.6328375123.

The spelling of 2120005841 in words is "two billion, one hundred twenty million, five thousand, eight hundred forty-one".