2068512220 has 12 divisors (see below), whose sum is σ = 4343875704. Its totient is φ = 827404880.

The previous prime is 2068512161. The next prime is 2068512223. The reversal of 2068512220 is 222158602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068512223) 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, 51712786 + ... + 51712825.

It is an arithmetic number, because the mean of its divisors is an integer number (361989642).

Almost surely, 2^2068512220 is an apocalyptic number.

2068512220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068512220 is an abundant number, since it is smaller than the sum of its proper divisors (2275363484).

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

2068512220 is a wasteful number, since it uses less digits than its factorization.

2068512220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103425620 (or 103425618 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2068512220 is about 45480.8995073756. The cubic root of 2068512220 is about 1274.1464942645.

The spelling of 2068512220 in words is "two billion, sixty-eight million, five hundred twelve thousand, two hundred twenty".