20312330213000 has 256 divisors, whose sum is σ = 54517432320000. Its totient is φ = 6939074476800.

The previous prime is 20312330212997. The next prime is 20312330213081. The reversal of 20312330213000 is 31203321302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3968024441 + ... + 3968029559.

It is an arithmetic number, because the mean of its divisors is an integer number (212958720000).

Almost surely, 2^{20312330213000} is an apocalyptic number.

20312330213000 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 20312330213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27258716160000).

20312330213000 is an abundant number, since it is smaller than the sum of its proper divisors (34205102107000).

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

20312330213000 is a wasteful number, since it uses less digits than its factorization.

20312330213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085 (or 7071 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20312330213000 its reverse (31203321302), we get a palindrome (20343533534302).

The spelling of 20312330213000 in words is "twenty trillion, three hundred twelve billion, three hundred thirty million, two hundred thirteen thousand".