20600218 has 8 divisors (see below), whose sum is σ = 32526720. Its totient is φ = 9757980.

The previous prime is 20600201. The next prime is 20600233. The reversal of 20600218 is 81200602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 20600195 and 20600204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271018 + ... + 271093.

It is an arithmetic number, because the mean of its divisors is an integer number (4065840).

Almost surely, 2^20600218 is an apocalyptic number.

20600218 is a deficient number, since it is larger than the sum of its proper divisors (11926502).

20600218 is a wasteful number, since it uses less digits than its factorization.

20600218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542132.

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

The square root of 20600218 is about 4538.7463026699. The cubic root of 20600218 is about 274.1304456399.

The spelling of 20600218 in words is "twenty million, six hundred thousand, two hundred eighteen".