220201210120194 has 80 divisors (see below), whose sum is σ = 497395456217088. Its totient is φ = 72808318533888.

The previous prime is 220201210120121. The next prime is 220201210120207. The reversal of 220201210120194 is 491021012102022.

220201210120194 is a `hidden beast` number, since 220 + 20 + 1 + 210 + 1 + 20 + 194 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 39 ways as a sum of consecutive naturals, for example, 105270162 + ... + 107341554.

Almost surely, 2^{220201210120194} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220201210120194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248697728108544).

220201210120194 is an abundant number, since it is smaller than the sum of its proper divisors (277194246096894).

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

220201210120194 is a wasteful number, since it uses less digits than its factorization.

220201210120194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076701 (or 2076692 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 220201210120194 in words is "two hundred twenty trillion, two hundred one billion, two hundred ten million, one hundred twenty thousand, one hundred ninety-four".