20201222112330 has 64 divisors (see below), whose sum is σ = 55414719664128. Its totient is φ = 4616951088960.

The previous prime is 20201222112329. The next prime is 20201222112349. The reversal of 20201222112330 is 3321122210202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20201222112297 and 20201222112306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2842162 + ... + 6962781.

It is an arithmetic number, because the mean of its divisors is an integer number (865854994752).

Almost surely, 2^{20201222112330} is an apocalyptic number.

20201222112330 is an abundant number, since it is smaller than the sum of its proper divisors (35213497551798).

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

20201222112330 is a wasteful number, since it uses less digits than its factorization.

20201222112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9814771.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20201222112330 its reverse (3321122210202), we get a palindrome (23522344322532).

The spelling of 20201222112330 in words is "twenty trillion, two hundred one billion, two hundred twenty-two million, one hundred twelve thousand, three hundred thirty".