20416522 has 16 divisors (see below), whose sum is σ = 36207360. Its totient is φ = 8448048.

The previous prime is 20416457. The next prime is 20416549. The reversal of 20416522 is 22561402.

It is a junction number, because it is equal to n+sod(n) for n = 20416493 and 20416502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24738 + ... + 25549.

It is an arithmetic number, because the mean of its divisors is an integer number (2262960).

Almost surely, 2^20416522 is an apocalyptic number.

20416522 is a deficient number, since it is larger than the sum of its proper divisors (15790838).

20416522 is a wasteful number, since it uses less digits than its factorization.

20416522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50325.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20416522 is about 4518.4645622158. The cubic root of 20416522 is about 273.3131874239.

Adding to 20416522 its reverse (22561402), we get a palindrome (42977924).

The spelling of 20416522 in words is "twenty million, four hundred sixteen thousand, five hundred twenty-two".