20001103322310 has 384 divisors, whose sum is σ = 59874895761408. Its totient is φ = 4762971072000.

The previous prime is 20001103322209. The next prime is 20001103322353. The reversal of 20001103322310 is 1322330110002.

20001103322310 is a `hidden beast` number, since 20 + 0 + 0 + 1 + 1 + 0 + 332 + 2 + 310 = 666.

It is a super-2 number, since 2×20001103322310² (a number of 27 digits) contains 22 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 an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1299524715 + ... + 1299540105.

It is an arithmetic number, because the mean of its divisors is an integer number (155924207712).

Almost surely, 2^{20001103322310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001103322310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29937447880704).

20001103322310 is an abundant number, since it is smaller than the sum of its proper divisors (39873792439098).

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

20001103322310 is a wasteful number, since it uses less digits than its factorization.

20001103322310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16282 (or 16270 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20001103322310 its reverse (1322330110002), we get a palindrome (21323433432312).

The spelling of 20001103322310 in words is "twenty trillion, one billion, one hundred three million, three hundred twenty-two thousand, three hundred ten".