2120402341 has 4 divisors (see below), whose sum is σ = 2121292300. Its totient is φ = 2119512384.

The previous prime is 2120402281. The next prime is 2120402359. The reversal of 2120402341 is 1432040212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1436789025 + 683613316 = 37905^2 + 26146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120402341 - 2⁷ = 2120402213 is a prime.

It is a super-2 number, since 2×2120402341² = 8992212175436560562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120402041) 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, 441396 + ... + 446173.

It is an arithmetic number, because the mean of its divisors is an integer number (530323075).

Almost surely, 2^2120402341 is an apocalyptic number.

It is an amenable number.

2120402341 is a deficient number, since it is larger than the sum of its proper divisors (889959).

2120402341 is an equidigital number, since it uses as much as digits as its factorization.

2120402341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889958.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2120402341 is about 46047.8266696703. The cubic root of 2120402341 is about 1284.7129198653.

Adding to 2120402341 its reverse (1432040212), we get a palindrome (3552442553).

The spelling of 2120402341 in words is "two billion, one hundred twenty million, four hundred two thousand, three hundred forty-one".