20030322212 has 6 divisors (see below), whose sum is σ = 35053063878. Its totient is φ = 10015161104.

The previous prime is 20030322187. The next prime is 20030322217. The reversal of 20030322212 is 21222303002.

It can be written as a sum of positive squares in only one way, i.e., 12924506596 + 7105815616 = 113686^2 + 84296^2 .

It is not an unprimeable number, because it can be changed into a prime (20030322217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503790273 + ... + 2503790280.

It is an arithmetic number, because the mean of its divisors is an integer number (5842177313).

Almost surely, 2^20030322212 is an apocalyptic number.

It is an amenable number.

20030322212 is a deficient number, since it is larger than the sum of its proper divisors (15022741666).

20030322212 is a wasteful number, since it uses less digits than its factorization.

20030322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007580557 (or 5007580555 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20030322212 its reverse (21222303002), we get a palindrome (41252625214).

The spelling of 20030322212 in words is "twenty billion, thirty million, three hundred twenty-two thousand, two hundred twelve".