20200522 has 12 divisors (see below), whose sum is σ = 32188950. Its totient is φ = 9505856.

The previous prime is 20200511. The next prime is 20200529. The reversal of 20200522 is 22500202.

It can be written as a sum of positive squares in 3 ways, for example, as 17313921 + 2886601 = 4161^2 + 1699^2 .

It is a super-2 number, since 2×20200522² = 816122178144968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20200529) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 16897 + ... + 18052.

Almost surely, 2^20200522 is an apocalyptic number.

20200522 is a deficient number, since it is larger than the sum of its proper divisors (11988428).

20200522 is a wasteful number, since it uses less digits than its factorization.

20200522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34985 (or 34968 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 20200522 is about 4494.4990822115. The cubic root of 20200522 is about 272.3459140664.

Adding to 20200522 its reverse (22500202), we get a palindrome (42700724).

The spelling of 20200522 in words is "twenty million, two hundred thousand, five hundred twenty-two".