2056600020 has 24 divisors (see below), whose sum is σ = 5758480224. Its totient is φ = 548426656.

The previous prime is 2056600003. The next prime is 2056600031. The reversal of 2056600020 is 200066502.

It is a self number, because there is not a number n which added to its sum of digits gives 2056600020.

It is a congruent number.

It is an unprimeable number.

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, 17138274 + ... + 17138393.

It is an arithmetic number, because the mean of its divisors is an integer number (239936676).

Almost surely, 2^2056600020 is an apocalyptic number.

2056600020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056600020 is an abundant number, since it is smaller than the sum of its proper divisors (3701880204).

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

2056600020 is a wasteful number, since it uses less digits than its factorization.

2056600020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34276679 (or 34276677 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2056600020 is about 45349.7521492676. The cubic root of 2056600020 is about 1271.6959218359.

Adding to 2056600020 its reverse (200066502), we get a palindrome (2256666522).

The spelling of 2056600020 in words is "two billion, fifty-six million, six hundred thousand, twenty".