20321433210000 has 800 divisors, whose sum is σ = 72644664666112. Its totient is φ = 4861866240000.

The previous prime is 20321433209969. The next prime is 20321433210047. The reversal of 20321433210000 is 1233412302.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3538467129 + ... + 3538472871.

Almost surely, 2^{20321433210000} is an apocalyptic number.

20321433210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20321433210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36322332333056).

20321433210000 is an abundant number, since it is smaller than the sum of its proper divisors (52323231456112).

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

20321433210000 is a wasteful number, since it uses less digits than its factorization.

20321433210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041 (or 6020 counting only the distinct ones).

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

Adding to 20321433210000 its reverse (1233412302), we get a palindrome (20322666622302).

The spelling of 20321433210000 in words is "twenty trillion, three hundred twenty-one billion, four hundred thirty-three million, two hundred ten thousand".