20321030030212 has 6 divisors (see below), whose sum is σ = 35561802552878. Its totient is φ = 10160515015104.

The previous prime is 20321030030201. The next prime is 20321030030221. The reversal of 20321030030212 is 21203003012302.

It can be written as a sum of positive squares in only one way, i.e., 18559846236996 + 1761183793216 = 4308114^2 + 1327096^2 .

It is a super-2 number, since 2×20321030030212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20321030030212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540128753773 + ... + 2540128753780.

Almost surely, 2^{20321030030212} is an apocalyptic number.

It is an amenable number.

20321030030212 is a deficient number, since it is larger than the sum of its proper divisors (15240772522666).

20321030030212 is a wasteful number, since it uses less digits than its factorization.

20321030030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080257507557 (or 5080257507555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20321030030212 its reverse (21203003012302), we get a palindrome (41524033042514).

The spelling of 20321030030212 in words is "twenty trillion, three hundred twenty-one billion, thirty million, thirty thousand, two hundred twelve".