2120680346 has 16 divisors (see below), whose sum is σ = 3220144200. Its totient is φ = 1047378240.

The previous prime is 2120680343. The next prime is 2120680349. The reversal of 2120680346 is 6430860212.

It is an interprime number because it is at equal distance from previous prime (2120680343) and next prime (2120680349).

It can be written as a sum of positive squares in 4 ways, for example, as 1100580625 + 1020099721 = 33175^2 + 31939^2 .

It is not an unprimeable number, because it can be changed into a prime (2120680343) 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 7 ways as a sum of consecutive naturals, for example, 34280 + ... + 73596.

Almost surely, 2^2120680346 is an apocalyptic number.

2120680346 is a deficient number, since it is larger than the sum of its proper divisors (1099463854).

2120680346 is a wasteful number, since it uses less digits than its factorization.

2120680346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39649.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2120680346 is about 46050.8452256851. The cubic root of 2120680346 is about 1284.7690634567.

The spelling of 2120680346 in words is "two billion, one hundred twenty million, six hundred eighty thousand, three hundred forty-six".