201220133311320 has 64 divisors (see below), whose sum is σ = 611301670848000. Its totient is φ = 52979478135168.

The previous prime is 201220133311297. The next prime is 201220133311409. The reversal of 201220133311320 is 23113331022102.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 10612866750 + ... + 10612885709.

It is an arithmetic number, because the mean of its divisors is an integer number (9551588607000).

Almost surely, 2^{201220133311320} is an apocalyptic number.

201220133311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220133311320 is an abundant number, since it is smaller than the sum of its proper divisors (410081537536680).

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

201220133311320 is a wasteful number, since it uses less digits than its factorization.

201220133311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21225752552 (or 21225752548 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 201220133311320 its reverse (23113331022102), we get a palindrome (224333464333422).

The spelling of 201220133311320 in words is "two hundred one trillion, two hundred twenty billion, one hundred thirty-three million, three hundred eleven thousand, three hundred twenty".