20224254 has 16 divisors (see below), whose sum is σ = 42828048. Its totient is φ = 6344832.

The previous prime is 20224247. The next prime is 20224261. The reversal of 20224254 is 45242202.

It is an interprime number because it is at equal distance from previous prime (20224247) and next prime (20224261).

It is a self number, because there is not a number n which added to its sum of digits gives 20224254.

It is a congruent number.

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, 99037 + ... + 99240.

It is an arithmetic number, because the mean of its divisors is an integer number (2676753).

Almost surely, 2^20224254 is an apocalyptic number.

20224254 is an abundant number, since it is smaller than the sum of its proper divisors (22603794).

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

20224254 is a wasteful number, since it uses less digits than its factorization.

20224254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198299.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 20224254 is about 4497.1384234867. The cubic root of 20224254 is about 272.4525249056.

Adding to 20224254 its reverse (45242202), we get a palindrome (65466456).

The spelling of 20224254 in words is "twenty million, two hundred twenty-four thousand, two hundred fifty-four".