20116250 has 120 divisors (see below), whose sum is σ = 49859040. Its totient is φ = 5940000.

The previous prime is 20116249. The next prime is 20116279. The reversal of 20116250 is 5261102.

20116250 = T₆₈₄ + T₆₈₅ + ... + T₇₆₀.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 1058741 + ... + 1058759.

It is an arithmetic number, because the mean of its divisors is an integer number (415492).

Almost surely, 2^20116250 is an apocalyptic number.

20116250 is an abundant number, since it is smaller than the sum of its proper divisors (29742790).

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

20116250 is a wasteful number, since it uses less digits than its factorization.

20116250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20116250 is about 4485.1142683325. The cubic root of 20116250 is about 271.9666643835.

Adding to 20116250 its reverse (5261102), we get a palindrome (25377352).

The spelling of 20116250 in words is "twenty million, one hundred sixteen thousand, two hundred fifty".