20010020220218 has 32 divisors (see below), whose sum is σ = 36321824283264. Its totient is φ = 8071020813312.

The previous prime is 20010020220193. The next prime is 20010020220313. The reversal of 20010020220218 is 81202202001002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20010020220218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6576530 + ... + 9125282.

It is an arithmetic number, because the mean of its divisors is an integer number (1135057008852).

Almost surely, 2^{20010020220218} is an apocalyptic number.

20010020220218 is a deficient number, since it is larger than the sum of its proper divisors (16311804063046).

20010020220218 is a wasteful number, since it uses less digits than its factorization.

20010020220218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581766.

The product of its (nonzero) digits is 256, while the sum is 20.

The spelling of 20010020220218 in words is "twenty trillion, ten billion, twenty million, two hundred twenty thousand, two hundred eighteen".