20012202010218 has 48 divisors (see below), whose sum is σ = 44488078528320. Its totient is φ = 5996165376960.

The previous prime is 20012202010217. The next prime is 20012202010289. The reversal of 20012202010218 is 81201020221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012202010194 and 20012202010203.

It is not an unprimeable number, because it can be changed into a prime (20012202010217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154795030 + ... + 154924257.

It is an arithmetic number, because the mean of its divisors is an integer number (926834969340).

Almost surely, 2^{20012202010218} is an apocalyptic number.

20012202010218 is an abundant number, since it is smaller than the sum of its proper divisors (24475876518102).

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

20012202010218 is a wasteful number, since it uses less digits than its factorization.

20012202010218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309719403 (or 309719392 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 20012202010218 in words is "twenty trillion, twelve billion, two hundred two million, ten thousand, two hundred eighteen".