20123202310330 has 64 divisors (see below), whose sum is σ = 44464341600000. Its totient is φ = 6536258172864.

The previous prime is 20123202310297. The next prime is 20123202310331. The reversal of 20123202310330 is 3301320232102.

It is not an unprimeable number, because it can be changed into a prime (20123202310331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154324905 + ... + 154455244.

It is an arithmetic number, because the mean of its divisors is an integer number (694755337500).

Almost surely, 2^{20123202310330} is an apocalyptic number.

20123202310330 is an abundant number, since it is smaller than the sum of its proper divisors (24341139289670).

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

20123202310330 is a wasteful number, since it uses less digits than its factorization.

20123202310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308780196 (or 308780182 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20123202310330 its reverse (3301320232102), we get a palindrome (23424522542432).

The spelling of 20123202310330 in words is "twenty trillion, one hundred twenty-three billion, two hundred two million, three hundred ten thousand, three hundred thirty".