20323212022 has 64 divisors (see below), whose sum is σ = 33873707520. Its totient is φ = 9101942784.

The previous prime is 20323212017. The next prime is 20323212023. The reversal of 20323212022 is 22021232302.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323212023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38858653 + ... + 38859175.

It is an arithmetic number, because the mean of its divisors is an integer number (529276680).

Almost surely, 2^20323212022 is an apocalyptic number.

20323212022 is a deficient number, since it is larger than the sum of its proper divisors (13550495498).

20323212022 is a wasteful number, since it uses less digits than its factorization.

20323212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20323212022 its reverse (22021232302), we get a palindrome (42344444324).

The spelling of 20323212022 in words is "twenty billion, three hundred twenty-three million, two hundred twelve thousand, twenty-two".