20062218 has 32 divisors (see below), whose sum is σ = 43934400. Its totient is φ = 6056960.

The previous prime is 20062201. The next prime is 20062223. The reversal of 20062218 is 81226002.

It is a junction number, because it is equal to n+sod(n) for n = 20062194 and 20062203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29296 + ... + 29972.

It is an arithmetic number, because the mean of its divisors is an integer number (1372950).

Almost surely, 2^20062218 is an apocalyptic number.

20062218 is an abundant number, since it is smaller than the sum of its proper divisors (23872182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20062218 is a wasteful number, since it uses less digits than its factorization.

20062218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20062218 is about 4479.0867372713. The cubic root of 20062218 is about 271.7229463404.

It can be divided in two parts, 2006 and 2218, that added together give a palindrome (4224).

The spelling of 20062218 in words is "twenty million, sixty-two thousand, two hundred eighteen".