20850246 has 48 divisors (see below), whose sum is σ = 47595600. Its totient is φ = 6586944.

The previous prime is 20850241. The next prime is 20850251. The reversal of 20850246 is 64205802.

It is an interprime number because it is at equal distance from previous prime (20850241) and next prime (20850251).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30460 + ... + 31136.

It is an arithmetic number, because the mean of its divisors is an integer number (991575).

Almost surely, 2^20850246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20850246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23797800).

20850246 is an abundant number, since it is smaller than the sum of its proper divisors (26745354).

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

20850246 is a wasteful number, since it uses less digits than its factorization.

20850246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 20850246 is about 4566.2069598300. The cubic root of 20850246 is about 275.2350431280.

The spelling of 20850246 in words is "twenty million, eight hundred fifty thousand, two hundred forty-six".