20016852218 has 16 divisors (see below), whose sum is σ = 32963484384. Its totient is φ = 9040614960.

The previous prime is 20016852217. The next prime is 20016852227. The reversal of 20016852218 is 81225861002.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20016852217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2894180 + ... + 2901087.

It is an arithmetic number, because the mean of its divisors is an integer number (2060217774).

Almost surely, 2^20016852218 is an apocalyptic number.

20016852218 is a deficient number, since it is larger than the sum of its proper divisors (12946632166).

20016852218 is a wasteful number, since it uses less digits than its factorization.

20016852218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795437.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 20016852218 in words is "twenty billion, sixteen million, eight hundred fifty-two thousand, two hundred eighteen".