2061682220 has 24 divisors (see below), whose sum is σ = 4662574224. Its totient is φ = 761236416.

The previous prime is 2061682201. The next prime is 2061682223. The reversal of 2061682220 is 222861602.

It is not an unprimeable number, because it can be changed into a prime (2061682223) 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, 3964514 + ... + 3965033.

It is an arithmetic number, because the mean of its divisors is an integer number (194273926).

Almost surely, 2^2061682220 is an apocalyptic number.

2061682220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061682220 is an abundant number, since it is smaller than the sum of its proper divisors (2600892004).

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

2061682220 is a wasteful number, since it uses less digits than its factorization.

2061682220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929569 (or 7929567 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2061682220 is about 45405.7509573402. The cubic root of 2061682220 is about 1272.7425840489.

The spelling of 2061682220 in words is "two billion, sixty-one million, six hundred eighty-two thousand, two hundred twenty".