2010561220 has 24 divisors (see below), whose sum is σ = 4291397208. Its totient is φ = 791040000.

The previous prime is 2010561211. The next prime is 2010561251. The reversal of 2010561220 is 221650102.

It can be written as a sum of positive squares in 4 ways, for example, as 80892036 + 1929669184 = 8994^2 + 43928^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822781 + ... + 825220.

It is an arithmetic number, because the mean of its divisors is an integer number (178808217).

Almost surely, 2^2010561220 is an apocalyptic number.

2010561220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010561220 is an abundant number, since it is smaller than the sum of its proper divisors (2280835988).

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

2010561220 is a wasteful number, since it uses less digits than its factorization.

2010561220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648071 (or 1648069 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2010561220 is about 44839.2821084370. The cubic root of 2010561220 is about 1262.1348749052.

The spelling of 2010561220 in words is "two billion, ten million, five hundred sixty-one thousand, two hundred twenty".