20221232013 has 16 divisors (see below), whose sum is σ = 30594773760. Its totient is φ = 13193994528.

The previous prime is 20221231997. The next prime is 20221232047. The reversal of 20221232013 is 31023212202.

It is not a de Polignac number, because 20221232013 - 2⁴ = 20221231997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221232113) 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 in 15 ways as a sum of consecutive naturals, for example, 7966120 + ... + 7968657.

It is an arithmetic number, because the mean of its divisors is an integer number (1912173360).

Almost surely, 2^20221232013 is an apocalyptic number.

It is an amenable number.

20221232013 is a deficient number, since it is larger than the sum of its proper divisors (10373541747).

20221232013 is a wasteful number, since it uses less digits than its factorization.

20221232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15934833 (or 15934827 counting only the distinct ones).

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

Adding to 20221232013 its reverse (31023212202), we get a palindrome (51244444215).

The spelling of 20221232013 in words is "twenty billion, two hundred twenty-one million, two hundred thirty-two thousand, thirteen".