2050900 has 18 divisors (see below), whose sum is σ = 4450670. Its totient is φ = 820320.

The previous prime is 2050889. The next prime is 2050903. The reversal of 2050900 is 90502.

It can be written as a sum of positive squares in 3 ways, for example, as 17424 + 2033476 = 132^2 + 1426^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10155 + ... + 10354.

2^2050900 is an apocalyptic number.

2050900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050900 is an abundant number, since it is smaller than the sum of its proper divisors (2399770).

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

2050900 is a wasteful number, since it uses less digits than its factorization.

2050900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20523 (or 20516 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 2050900 is about 1432.0963654727. The cubic root of 2050900 is about 127.0519968124.

The spelling of 2050900 in words is "two million, fifty thousand, nine hundred".