20221231302 has 48 divisors (see below), whose sum is σ = 45763604640. Its totient is φ = 6444781056.

The previous prime is 20221231297. The next prime is 20221231343. The reversal of 20221231302 is 20313212202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134283 + ... + 241814.

It is an arithmetic number, because the mean of its divisors is an integer number (953408430).

Almost surely, 2^20221231302 is an apocalyptic number.

20221231302 is an abundant number, since it is smaller than the sum of its proper divisors (25542373338).

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

20221231302 is a wasteful number, since it uses less digits than its factorization.

20221231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376237 (or 376234 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20221231302 its reverse (20313212202), we get a palindrome (40534443504).

The spelling of 20221231302 in words is "twenty billion, two hundred twenty-one million, two hundred thirty-one thousand, three hundred two".