20224055 has 4 divisors (see below), whose sum is σ = 24268872. Its totient is φ = 16179240.

The previous prime is 20224031. The next prime is 20224069. The reversal of 20224055 is 55042202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20224055 - 2¹⁶ = 20158519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022401 + ... + 2022410.

It is an arithmetic number, because the mean of its divisors is an integer number (6067218).

Almost surely, 2^20224055 is an apocalyptic number.

20224055 is a deficient number, since it is larger than the sum of its proper divisors (4044817).

20224055 is an equidigital number, since it uses as much as digits as its factorization.

20224055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044816.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20224055 is about 4497.1162982516. The cubic root of 20224055 is about 272.4516312883.

Adding to 20224055 its reverse (55042202), we get a palindrome (75266257).

The spelling of 20224055 in words is "twenty million, two hundred twenty-four thousand, fifty-five".