20252282 has 16 divisors (see below), whose sum is σ = 32106240. Its totient is φ = 9561552.

The previous prime is 20252279. The next prime is 20252293. The reversal of 20252282 is 28225202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848 + ... + 6420.

It is an arithmetic number, because the mean of its divisors is an integer number (2006640).

Almost surely, 2^20252282 is an apocalyptic number.

20252282 is a deficient number, since it is larger than the sum of its proper divisors (11853958).

20252282 is a wasteful number, since it uses less digits than its factorization.

20252282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 20252282 is about 4500.2535484126. The cubic root of 20252282 is about 272.5783272296.

Adding to 20252282 its reverse (28225202), we get a palindrome (48477484).

The spelling of 20252282 in words is "twenty million, two hundred fifty-two thousand, two hundred eighty-two".