20022254 has 16 divisors (see below), whose sum is σ = 35252448. Its totient is φ = 8348832.

The previous prime is 20022239. The next prime is 20022269. The reversal of 20022254 is 45222002.

It is an interprime number because it is at equal distance from previous prime (20022239) and next prime (20022269).

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18809 + ... + 19844.

It is an arithmetic number, because the mean of its divisors is an integer number (2203278).

Almost surely, 2^20022254 is an apocalyptic number.

20022254 is a deficient number, since it is larger than the sum of its proper divisors (15230194).

20022254 is a wasteful number, since it uses less digits than its factorization.

20022254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38699.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 20022254 is about 4474.6233361033. The cubic root of 20022254 is about 271.5424020906.

Adding to 20022254 its reverse (45222002), we get a palindrome (65244256).

It can be divided in two parts, 2002225 and 4, that multiplied together give a square (8008900 = 2830²).

The spelling of 20022254 in words is "twenty million, twenty-two thousand, two hundred fifty-four".