20210001203322 has 128 divisors (see below), whose sum is σ = 53207746560000. Its totient is φ = 5563532108736.

The previous prime is 20210001203311. The next prime is 20210001203347. The reversal of 20210001203322 is 22330210001202.

20210001203322 is a `hidden beast` number, since 2 + 0 + 210 + 0 + 0 + 120 + 332 + 2 = 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 = 20210001203295 and 20210001203304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3326329 + ... + 7175267.

It is an arithmetic number, because the mean of its divisors is an integer number (415685520000).

Almost surely, 2^{20210001203322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210001203322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26603873280000).

20210001203322 is an abundant number, since it is smaller than the sum of its proper divisors (32997745356678).

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

20210001203322 is a wasteful number, since it uses less digits than its factorization.

20210001203322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849465 (or 3849459 counting only the distinct ones).

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

Adding to 20210001203322 its reverse (22330210001202), we get a palindrome (42540211204524).

The spelling of 20210001203322 in words is "twenty trillion, two hundred ten billion, one million, two hundred three thousand, three hundred twenty-two".