201300221034 has 160 divisors (see below), whose sum is σ = 506243447424. Its totient is φ = 59265198720.

The previous prime is 201300221033. The next prime is 201300221053. The reversal of 201300221034 is 430122003102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201300220998 and 201300221016.

It is not an unprimeable number, because it can be changed into a prime (201300221033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9717592 + ... + 9738284.

Almost surely, 2^201300221034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201300221034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253121723712).

201300221034 is an abundant number, since it is smaller than the sum of its proper divisors (304943226390).

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

201300221034 is a wasteful number, since it uses less digits than its factorization.

201300221034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20874 (or 20865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201300221034 its reverse (430122003102), we get a palindrome (631422224136).

The spelling of 201300221034 in words is "two hundred one billion, three hundred million, two hundred twenty-one thousand, thirty-four".