20282250 has 32 divisors (see below), whose sum is σ = 50626368. Its totient is φ = 5408400.

The previous prime is 20282231. The next prime is 20282261. The reversal of 20282250 is 5228202.

It is a super-2 number, since 2×20282250² = 822739330125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12772 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (1582074).

Almost surely, 2^20282250 is an apocalyptic number.

20282250 is an abundant number, since it is smaller than the sum of its proper divisors (30344118).

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

20282250 is a wasteful number, since it uses less digits than its factorization.

20282250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27063 (or 27053 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 20282250 is about 4503.5819077707. The cubic root of 20282250 is about 272.7127088182.

It can be divided in two parts, 2028 and 2250, that added together give a triangular number (4278 = T₉₂).

The spelling of 20282250 in words is "twenty million, two hundred eighty-two thousand, two hundred fifty".