20218060 has 12 divisors (see below), whose sum is σ = 42457968. Its totient is φ = 8087216.

The previous prime is 20218027. The next prime is 20218063. The reversal of 20218060 is 6081202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20218063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505432 + ... + 505471.

It is an arithmetic number, because the mean of its divisors is an integer number (3538164).

Almost surely, 2^20218060 is an apocalyptic number.

20218060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20218060 is an abundant number, since it is smaller than the sum of its proper divisors (22239908).

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

20218060 is a wasteful number, since it uses less digits than its factorization.

20218060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010912 (or 1010910 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20218060 is about 4496.4497106050. The cubic root of 20218060 is about 272.4247077567.

Adding to 20218060 its reverse (6081202), we get a palindrome (26299262).

The spelling of 20218060 in words is "twenty million, two hundred eighteen thousand, sixty".