20244022 has 4 divisors (see below), whose sum is σ = 30366036. Its totient is φ = 10122010.

The previous prime is 20243989. The next prime is 20244041. The reversal of 20244022 is 22044202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22044202 = 2 ⋅11022101.

It is a junction number, because it is equal to n+sod(n) for n = 20243987 and 20244005.

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 as a sum of consecutive naturals, namely, 5061004 + ... + 5061007.

It is an arithmetic number, because the mean of its divisors is an integer number (7591509).

Almost surely, 2^20244022 is an apocalyptic number.

20244022 is a deficient number, since it is larger than the sum of its proper divisors (10122014).

20244022 is a wasteful number, since it uses less digits than its factorization.

20244022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122013.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20244022 is about 4499.3357287493. The cubic root of 20244022 is about 272.5412646878.

Adding to 20244022 its reverse (22044202), we get a palindrome (42288224).

The spelling of 20244022 in words is "twenty million, two hundred forty-four thousand, twenty-two".