1020201320322 has 32 divisors (see below), whose sum is σ = 2268332492160. Its totient is φ = 339884339760.

The previous prime is 1020201320321. The next prime is 1020201320339. The reversal of 1020201320322 is 2230231020201.

1020201320322 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 20 + 1 + 320 + 322 = 666.

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 = 1020201320295 and 1020201320304.

It is not an unprimeable number, because it can be changed into a prime (1020201320321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4975438 + ... + 5176425.

It is an arithmetic number, because the mean of its divisors is an integer number (70885390380).

Almost surely, 2^{1020201320322} is an apocalyptic number.

1020201320322 is an abundant number, since it is smaller than the sum of its proper divisors (1248131171838).

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

1020201320322 is a wasteful number, since it uses less digits than its factorization.

1020201320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10153735 (or 10153729 counting only the distinct ones).

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

Adding to 1020201320322 its reverse (2230231020201), we get a palindrome (3250432340523).

The spelling of 1020201320322 in words is "one trillion, twenty billion, two hundred one million, three hundred twenty thousand, three hundred twenty-two".