2120056662 has 16 divisors (see below), whose sum is σ = 4245442992. Its totient is φ = 705797280.

The previous prime is 2120056661. The next prime is 2120056667. The reversal of 2120056662 is 2666500212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120056661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216889 + ... + 226452.

It is an arithmetic number, because the mean of its divisors is an integer number (265340187).

Almost surely, 2^2120056662 is an apocalyptic number.

2120056662 is an abundant number, since it is smaller than the sum of its proper divisors (2125386330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120056662 is a wasteful number, since it uses less digits than its factorization.

2120056662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444143.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2120056662 is about 46044.0730387745. The cubic root of 2120056662 is about 1284.6431025475.

Adding to 2120056662 its reverse (2666500212), we get a palindrome (4786556874).

The spelling of 2120056662 in words is "two billion, one hundred twenty million, fifty-six thousand, six hundred sixty-two".