20331342021210 has 192 divisors, whose sum is σ = 54892156999680. Its totient is φ = 4813271971200.

The previous prime is 20331342021209. The next prime is 20331342021217. The reversal of 20331342021210 is 1212024313302.

It is not an unprimeable number, because it can be changed into a prime (20331342021217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1184870611 + ... + 1184887769.

It is an arithmetic number, because the mean of its divisors is an integer number (285896651040).

Almost surely, 2^{20331342021210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20331342021210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27446078499840).

20331342021210 is an abundant number, since it is smaller than the sum of its proper divisors (34560814978470).

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

20331342021210 is a wasteful number, since it uses less digits than its factorization.

20331342021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24825 (or 24814 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20331342021210 its reverse (1212024313302), we get a palindrome (21543366334512).

The spelling of 20331342021210 in words is "twenty trillion, three hundred thirty-one billion, three hundred forty-two million, twenty-one thousand, two hundred ten".