201220201102320 has 120 divisors (see below), whose sum is σ = 675770217437952. Its totient is φ = 53658266995200.

The previous prime is 201220201102313. The next prime is 201220201102321. The reversal of 201220201102320 is 23201102022102.

201220201102320 is a `hidden beast` number, since 2 + 0 + 1 + 220 + 20 + 1 + 102 + 320 = 666.

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 = 201220201102293 and 201220201102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220201102321) 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, 88875550 + ... + 91111490.

Almost surely, 2^{201220201102320} is an apocalyptic number.

201220201102320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220201102320 is an abundant number, since it is smaller than the sum of its proper divisors (474550016335632).

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

201220201102320 is a wasteful number, since it uses less digits than its factorization.

201220201102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360951 (or 2360942 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201220201102320 its reverse (23201102022102), we get a palindrome (224421303124422).

The spelling of 201220201102320 in words is "two hundred one trillion, two hundred twenty billion, two hundred one million, one hundred two thousand, three hundred twenty".