201020332123220 has 48 divisors (see below), whose sum is σ = 441573737310720. Its totient is φ = 76724077790976.

The previous prime is 201020332123201. The next prime is 201020332123267. The reversal of 201020332123220 is 22321233020102.

201020332123220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534042572 + ... + 534418851.

It is an arithmetic number, because the mean of its divisors is an integer number (9199452860640).

Almost surely, 2^{201020332123220} is an apocalyptic number.

201020332123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020332123220 is an abundant number, since it is smaller than the sum of its proper divisors (240553405187500).

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

201020332123220 is a wasteful number, since it uses less digits than its factorization.

201020332123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068461864 (or 1068461862 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 201020332123220 its reverse (22321233020102), we get a palindrome (223341565143322).

The spelling of 201020332123220 in words is "two hundred one trillion, twenty billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty".