20020223330312 has 8 divisors (see below), whose sum is σ = 37537918744350. Its totient is φ = 10010111665152.

The previous prime is 20020223330281. The next prime is 20020223330347. The reversal of 20020223330312 is 21303332202002.

It can be written as a sum of positive squares in only one way, i.e., 17266900379716 + 2753322950596 = 4155346^2 + 1659314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251263958137 + ... + 1251263958152.

Almost surely, 2^{20020223330312} is an apocalyptic number.

It is an amenable number.

20020223330312 is a deficient number, since it is larger than the sum of its proper divisors (17517695414038).

20020223330312 is a wasteful number, since it uses less digits than its factorization.

20020223330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502527916295 (or 2502527916291 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20020223330312 its reverse (21303332202002), we get a palindrome (41323555532314).

The spelling of 20020223330312 in words is "twenty trillion, twenty billion, two hundred twenty-three million, three hundred thirty thousand, three hundred twelve".