312020033022220 has 24 divisors (see below), whose sum is σ = 655242734891808. Its totient is φ = 124807886438400.

The previous prime is 312020033022169. The next prime is 312020033022239. The reversal of 312020033022220 is 22220330020213.

It is a junction number, because it is equal to n+sod(n) for n = 312020033022191 and 312020033022200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13698625 + ... + 28490215.

It is an arithmetic number, because the mean of its divisors is an integer number (27301780620492).

Almost surely, 2^{312020033022220} is an apocalyptic number.

It is an amenable number.

312020033022220 is an abundant number, since it is smaller than the sum of its proper divisors (343222701869588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312020033022220 is a wasteful number, since it uses less digits than its factorization.

312020033022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846321 (or 15846319 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 312020033022220 its reverse (22220330020213), we get a palindrome (334240363042433).

The spelling of 312020033022220 in words is "three hundred twelve trillion, twenty billion, thirty-three million, twenty-two thousand, two hundred twenty".