2120810250 has 64 divisors (see below), whose sum is σ = 5700764160. Its totient is φ = 522043200.

The previous prime is 2120810249. The next prime is 2120810269. The reversal of 2120810250 is 520180212.

It is a happy number.

It is a super-2 number, since 2×2120810250² = 8995672233010125000, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 99010 + ... + 118509.

It is an arithmetic number, because the mean of its divisors is an integer number (89074440).

Almost surely, 2^2120810250 is an apocalyptic number.

2120810250 is an abundant number, since it is smaller than the sum of its proper divisors (3579953910).

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

2120810250 is a wasteful number, since it uses less digits than its factorization.

2120810250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217552 (or 217542 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2120810250 is about 46052.2556450821. The cubic root of 2120810250 is about 1284.7952961125.

Adding to 2120810250 its reverse (520180212), we get a palindrome (2640990462).

The spelling of 2120810250 in words is "two billion, one hundred twenty million, eight hundred ten thousand, two hundred fifty".