201223203120 has 120 divisors (see below), whose sum is σ = 679821551136. Its totient is φ = 53338174464.

The previous prime is 201223203073. The next prime is 201223203127. The reversal of 201223203120 is 21302322102.

201223203120 is a `hidden beast` number, since 20 + 12 + 2 + 320 + 312 + 0 = 666.

201223203120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 201223203093 and 201223203102.

It is not an unprimeable number, because it can be changed into a prime (201223203127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716517 + ... + 956996.

Almost surely, 2^201223203120 is an apocalyptic number.

201223203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201223203120 is an abundant number, since it is smaller than the sum of its proper divisors (478598348016).

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

201223203120 is a wasteful number, since it uses less digits than its factorization.

201223203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673699 (or 1673690 counting only the distinct ones).

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

Adding to 201223203120 its reverse (21302322102), we get a palindrome (222525525222).

The spelling of 201223203120 in words is "two hundred one billion, two hundred twenty-three million, two hundred three thousand, one hundred twenty".