2000821250 has 40 divisors (see below), whose sum is σ = 3851788908. Its totient is φ = 778680000.

The previous prime is 2000821223. The next prime is 2000821253. The reversal of 2000821250 is 521280002.

It can be written as a sum of positive squares in 10 ways, for example, as 2105401 + 1998715849 = 1451^2 + 44707^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000821253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24620 + ... + 67880.

Almost surely, 2^2000821250 is an apocalyptic number.

2000821250 is a deficient number, since it is larger than the sum of its proper divisors (1850967658).

2000821250 is an equidigital number, since it uses as much as digits as its factorization.

2000821250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43320 (or 43305 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2000821250 is about 44730.5404617472. The cubic root of 2000821250 is about 1260.0934779896.

The spelling of 2000821250 in words is "two billion, eight hundred twenty-one thousand, two hundred fifty".