20201321002230 has 96 divisors (see below), whose sum is σ = 55835230595040. Its totient is φ = 5052961958400.

The previous prime is 20201321002223. The next prime is 20201321002237. The reversal of 20201321002230 is 3220012310202.

20201321002230 is a `hidden beast` number, since 20 + 201 + 3 + 210 + 0 + 2 + 230 = 666.

It is an interprime number because it is at equal distance from previous prime (20201321002223) and next prime (20201321002237).

It is a super-3 number, since 3×20201321002230³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201321002237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58310647 + ... + 58656066.

It is an arithmetic number, because the mean of its divisors is an integer number (581616985365).

Almost surely, 2^{20201321002230} is an apocalyptic number.

20201321002230 is an abundant number, since it is smaller than the sum of its proper divisors (35633909592810).

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

20201321002230 is a wasteful number, since it uses less digits than its factorization.

20201321002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116966846 (or 116966843 counting only the distinct ones).

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

Adding to 20201321002230 its reverse (3220012310202), we get a palindrome (23421333312432).

The spelling of 20201321002230 in words is "twenty trillion, two hundred one billion, three hundred twenty-one million, two thousand, two hundred thirty".