20440223324022 has 32 divisors (see below), whose sum is σ = 42881196994560. Its totient is φ = 6483051322880.

The previous prime is 20440223323981. The next prime is 20440223324033. The reversal of 20440223324022 is 22042332204402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387715947 + ... + 387768662.

It is an arithmetic number, because the mean of its divisors is an integer number (1340037406080).

Almost surely, 2^{20440223324022} is an apocalyptic number.

20440223324022 is an abundant number, since it is smaller than the sum of its proper divisors (22440973670538).

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

20440223324022 is a wasteful number, since it uses less digits than its factorization.

20440223324022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775484828.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 20440223324022 its reverse (22042332204402), we get a palindrome (42482555528424).

The spelling of 20440223324022 in words is "twenty trillion, four hundred forty billion, two hundred twenty-three million, three hundred twenty-four thousand, twenty-two".