20301222012330 has 256 divisors, whose sum is σ = 60520733245440. Its totient is φ = 4253127782400.

The previous prime is 20301222012317. The next prime is 20301222012347. The reversal of 20301222012330 is 3321022210302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20301222012297 and 20301222012306.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 521581270 + ... + 521620190.

It is an arithmetic number, because the mean of its divisors is an integer number (236409114240).

Almost surely, 2^{20301222012330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20301222012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30260366622720).

20301222012330 is an abundant number, since it is smaller than the sum of its proper divisors (40219511233110).

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

20301222012330 is a wasteful number, since it uses less digits than its factorization.

20301222012330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43205.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20301222012330 its reverse (3321022210302), we get a palindrome (23622244222632).

The spelling of 20301222012330 in words is "twenty trillion, three hundred one billion, two hundred twenty-two million, twelve thousand, three hundred thirty".