20227066 has 16 divisors (see below), whose sum is σ = 31622400. Its totient is φ = 9692640.

The previous prime is 20227043. The next prime is 20227073. The reversal of 20227066 is 66072202.

It is a happy number.

It is a super-3 number, since 3×20227066³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20227066.

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, 5110 + ... + 8158.

It is an arithmetic number, because the mean of its divisors is an integer number (1976400).

Almost surely, 2^20227066 is an apocalyptic number.

20227066 is a deficient number, since it is larger than the sum of its proper divisors (11395334).

20227066 is a wasteful number, since it uses less digits than its factorization.

20227066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 20227066 is about 4497.4510558760. The cubic root of 20227066 is about 272.4651516753.

Adding to 20227066 its reverse (66072202), we get a palindrome (86299268).

The spelling of 20227066 in words is "twenty million, two hundred twenty-seven thousand, sixty-six".