20206622 has 4 divisors (see below), whose sum is σ = 30309936. Its totient is φ = 10103310.

The previous prime is 20206609. The next prime is 20206631. The reversal of 20206622 is 22660202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20206594 and 20206603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051654 + ... + 5051657.

It is an arithmetic number, because the mean of its divisors is an integer number (7577484).

Almost surely, 2^20206622 is an apocalyptic number.

20206622 is a deficient number, since it is larger than the sum of its proper divisors (10103314).

20206622 is a wasteful number, since it uses less digits than its factorization.

20206622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10103313.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20206622 is about 4495.1776383142. The cubic root of 20206622 is about 272.3733249568.

Adding to 20206622 its reverse (22660202), we get a palindrome (42866824).

The spelling of 20206622 in words is "twenty million, two hundred six thousand, six hundred twenty-two".