2120343130 has 16 divisors (see below), whose sum is σ = 3817141920. Its totient is φ = 848020752.

The previous prime is 2120343119. The next prime is 2120343131. The reversal of 2120343130 is 313430212.

It is a junction number, because it is equal to n+sod(n) for n = 2120343098 and 2120343107.

It is not an unprimeable number, because it can be changed into a prime (2120343131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136081 + ... + 150859.

It is an arithmetic number, because the mean of its divisors is an integer number (238571370).

Almost surely, 2^2120343130 is an apocalyptic number.

2120343130 is a deficient number, since it is larger than the sum of its proper divisors (1696798790).

2120343130 is a wasteful number, since it uses less digits than its factorization.

2120343130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29133.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2120343130 is about 46047.1837358160. The cubic root of 2120343130 is about 1284.7009614674.

Adding to 2120343130 its reverse (313430212), we get a palindrome (2433773342).

The spelling of 2120343130 in words is "two billion, one hundred twenty million, three hundred forty-three thousand, one hundred thirty".