20123310330322 has 4 divisors (see below), whose sum is σ = 30184965495486. Its totient is φ = 10061655165160.

The previous prime is 20123310330283. The next prime is 20123310330329. The reversal of 20123310330322 is 22303301332102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12669050728321 + 7454259602001 = 3559361^2 + 2730249^2 .

It is not an unprimeable number, because it can be changed into a prime (20123310330329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030827582579 + ... + 5030827582582.

Almost surely, 2^{20123310330322} is an apocalyptic number.

20123310330322 is a deficient number, since it is larger than the sum of its proper divisors (10061655165164).

20123310330322 is a wasteful number, since it uses less digits than its factorization.

20123310330322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061655165163.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20123310330322 its reverse (22303301332102), we get a palindrome (42426611662424).

The spelling of 20123310330322 in words is "twenty trillion, one hundred twenty-three billion, three hundred ten million, three hundred thirty thousand, three hundred twenty-two".