84900220201 has 4 divisors (see below), whose sum is σ = 84901515732. Its totient is φ = 84898924672.

The previous prime is 84900220147. The next prime is 84900220219. The reversal of 84900220201 is 10202200948.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82914626601 + 1985593600 = 287949^2 + 44560^2 .

It is a cyclic number.

It is not a de Polignac number, because 84900220201 - 2⁹ = 84900219689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84900220201.

It is not an unprimeable number, because it can be changed into a prime (84900220241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 543916 + ... + 682381.

It is an arithmetic number, because the mean of its divisors is an integer number (21225378933).

Almost surely, 2^84900220201 is an apocalyptic number.

It is an amenable number.

84900220201 is a deficient number, since it is larger than the sum of its proper divisors (1295531).

84900220201 is a wasteful number, since it uses less digits than its factorization.

84900220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295530.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 84900220201 in words is "eighty-four billion, nine hundred million, two hundred twenty thousand, two hundred one".