201020023200 has 144 divisors (see below), whose sum is σ = 672004801440. Its totient is φ = 52156523520.

The previous prime is 201020023177. The next prime is 201020023219. The reversal of 201020023200 is 2320020102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043070 + ... + 1220669.

It is an arithmetic number, because the mean of its divisors is an integer number (4666700010).

Almost surely, 2^201020023200 is an apocalyptic number.

201020023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020023200 is an abundant number, since it is smaller than the sum of its proper divisors (470984778240).

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

201020023200 is a wasteful number, since it uses less digits than its factorization.

201020023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263799 (or 2263786 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 201020023200 its reverse (2320020102), we get a palindrome (203340043302).

The spelling of 201020023200 in words is "two hundred one billion, twenty million, twenty-three thousand, two hundred".