20310220232212 has 12 divisors (see below), whose sum is σ = 35543132120160. Its totient is φ = 10155039626456.

The previous prime is 20310220232201. The next prime is 20310220232221. The reversal of 20310220232212 is 21223202201302.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 16971448 + ... + 18128719.

It is an arithmetic number, because the mean of its divisors is an integer number (2961927676680).

Almost surely, 2^{20310220232212} is an apocalyptic number.

It is an amenable number.

20310220232212 is a deficient number, since it is larger than the sum of its proper divisors (15232911887948).

20310220232212 is a wasteful number, since it uses less digits than its factorization.

20310220232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35244830 (or 35244828 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20310220232212 its reverse (21223202201302), we get a palindrome (41533422433514).

The spelling of 20310220232212 in words is "twenty trillion, three hundred ten billion, two hundred twenty million, two hundred thirty-two thousand, two hundred twelve".