20201102021322 has 24 divisors (see below), whose sum is σ = 44952001796676. Its totient is φ = 6551708763456.

The previous prime is 20201102021281. The next prime is 20201102021323. The reversal of 20201102021322 is 22312020110202.

20201102021322 is a `hidden beast` number, since 20 + 201 + 102 + 0 + 21 + 322 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14241649463721 + 5959452557601 = 3773811^2 + 2441199^2 .

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 = 20201102021295 and 20201102021304.

It is not an unprimeable number, because it can be changed into a prime (20201102021323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15165991843 + ... + 15165993174.

Almost surely, 2^{20201102021322} is an apocalyptic number.

20201102021322 is an abundant number, since it is smaller than the sum of its proper divisors (24750899775354).

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

20201102021322 is a wasteful number, since it uses less digits than its factorization.

20201102021322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30331985062 (or 30331985059 counting only the distinct ones).

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

Adding to 20201102021322 its reverse (22312020110202), we get a palindrome (42513122131524).

The spelling of 20201102021322 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty-one thousand, three hundred twenty-two".