201020444430 has 64 divisors (see below), whose sum is σ = 524704799808. Its totient is φ = 48992025600.

The previous prime is 201020444419. The next prime is 201020444437. The reversal of 201020444430 is 34444020102.

It is a happy number.

201020444430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201020444430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020444437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512279 + ... + 2591058.

It is an arithmetic number, because the mean of its divisors is an integer number (8198512497).

Almost surely, 2^201020444430 is an apocalyptic number.

201020444430 is an abundant number, since it is smaller than the sum of its proper divisors (323684355378).

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

201020444430 is a wasteful number, since it uses less digits than its factorization.

201020444430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103461.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 201020444430 its reverse (34444020102), we get a palindrome (235464464532).

The spelling of 201020444430 in words is "two hundred one billion, twenty million, four hundred forty-four thousand, four hundred thirty".