20360850 has 48 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 5387200.

The previous prime is 20360839. The next prime is 20360861. The reversal of 20360850 is 5806302.

It is an interprime number because it is at equal distance from previous prime (20360839) and next prime (20360861).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20360850.

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 23 ways as a sum of consecutive naturals, for example, 21895 + ... + 22805.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 2^20360850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20360850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25444800).

20360850 is an abundant number, since it is smaller than the sum of its proper divisors (30528750).

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

20360850 is a wasteful number, since it uses less digits than its factorization.

20360850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20360850 is about 4512.2998570574. The cubic root of 20360850 is about 273.0645367960.

The spelling of 20360850 in words is "twenty million, three hundred sixty thousand, eight hundred fifty".