201020950604 has 24 divisors (see below), whose sum is σ = 366068915520. Its totient is φ = 96509067984.

The previous prime is 201020950591. The next prime is 201020950607. The reversal of 201020950604 is 406059020102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201020950607) 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 7 ways as a sum of consecutive naturals, for example, 9894314 + ... + 9914609.

It is an arithmetic number, because the mean of its divisors is an integer number (15252871480).

Almost surely, 2^201020950604 is an apocalyptic number.

It is an amenable number.

201020950604 is a deficient number, since it is larger than the sum of its proper divisors (165047964916).

201020950604 is a wasteful number, since it uses less digits than its factorization.

201020950604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19809029 (or 19809027 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 201020950604 its reverse (406059020102), we get a palindrome (607079970706).

The spelling of 201020950604 in words is "two hundred one billion, twenty million, nine hundred fifty thousand, six hundred four".