20122210201986 has 32 divisors (see below), whose sum is σ = 44965832875200. Its totient is φ = 6669931870080.

The previous prime is 20122210201969. The next prime is 20122210202023. The reversal of 20122210201986 is 68910201222102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122210201986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040866095 + ... + 1040885426.

It is an arithmetic number, because the mean of its divisors is an integer number (1405182277350).

Almost surely, 2^{20122210201986} is an apocalyptic number.

20122210201986 is an abundant number, since it is smaller than the sum of its proper divisors (24843622673214).

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

20122210201986 is a wasteful number, since it uses less digits than its factorization.

20122210201986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081751711 (or 2081751705 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 20122210201986 in words is "twenty trillion, one hundred twenty-two billion, two hundred ten million, two hundred one thousand, nine hundred eighty-six".