2056620100 has 36 divisors (see below), whose sum is σ = 4473266644. Its totient is φ = 820730880.

The previous prime is 2056620089. The next prime is 2056620107. The reversal of 2056620100 is 10266502.

It can be written as a sum of positive squares in 6 ways, for example, as 22429696 + 2034190404 = 4736^2 + 45102^2 .

It is not an unprimeable number, because it can be changed into a prime (2056620107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19552 + ... + 67048.

Almost surely, 2^2056620100 is an apocalyptic number.

2056620100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056620100 is an abundant number, since it is smaller than the sum of its proper divisors (2416646544).

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

2056620100 is a wasteful number, since it uses less digits than its factorization.

2056620100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47944 (or 47937 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2056620100 is about 45349.9735391323. The cubic root of 2056620100 is about 1271.7000606363.

Adding to 2056620100 its reverse (10266502), we get a palindrome (2066886602).

The spelling of 2056620100 in words is "two billion, fifty-six million, six hundred twenty thousand, one hundred".