20444042402422 has 16 divisors (see below), whose sum is σ = 30713428231920. Its totient is φ = 10206235026208.

The previous prime is 20444042402417. The next prime is 20444042402429. The reversal of 20444042402422 is 22420424044402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444042402429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19913529 + ... + 20914987.

It is an arithmetic number, because the mean of its divisors is an integer number (1919589264495).

Almost surely, 2^{20444042402422} is an apocalyptic number.

20444042402422 is a deficient number, since it is larger than the sum of its proper divisors (10269385829498).

20444042402422 is a wasteful number, since it uses less digits than its factorization.

20444042402422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017215.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 20444042402422 its reverse (22420424044402), we get a palindrome (42864466446824).

The spelling of 20444042402422 in words is "twenty trillion, four hundred forty-four billion, forty-two million, four hundred two thousand, four hundred twenty-two".