20422344322401 has 16 divisors (see below), whose sum is σ = 31128764843904. Its totient is φ = 11666535266304.

The previous prime is 20422344322399. The next prime is 20422344322417. The reversal of 20422344322401 is 10422344322402.

It is a happy number.

It is not a de Polignac number, because 20422344322401 - 2¹ = 20422344322399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20422344322201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140582970 + ... + 140728163.

It is an arithmetic number, because the mean of its divisors is an integer number (1945547802744).

Almost surely, 2^{20422344322401} is an apocalyptic number.

20422344322401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20422344322401 is a deficient number, since it is larger than the sum of its proper divisors (10706420521503).

20422344322401 is a wasteful number, since it uses less digits than its factorization.

20422344322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281314600.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 20422344322401 its reverse (10422344322402), we get a palindrome (30844688644803).

Subtracting from 20422344322401 its reverse (10422344322402), we obtain a palindrome (9999999999999).

The spelling of 20422344322401 in words is "twenty trillion, four hundred twenty-two billion, three hundred forty-four million, three hundred twenty-two thousand, four hundred one".