20023336422401 has 8 divisors (see below), whose sum is σ = 21591489061800. Its totient is φ = 18459168924672.

The previous prime is 20023336422391. The next prime is 20023336422409. The reversal of 20023336422401 is 10422463332002.

It can be written as a sum of positive squares in 4 ways, for example, as 1094084620225 + 18929251802176 = 1045985^2 + 4350776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023336422401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023336422409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996274976 + ... + 996295073.

It is an arithmetic number, because the mean of its divisors is an integer number (2698936132725).

Almost surely, 2^{20023336422401} is an apocalyptic number.

It is an amenable number.

20023336422401 is a deficient number, since it is larger than the sum of its proper divisors (1568152639399).

20023336422401 is a wasteful number, since it uses less digits than its factorization.

20023336422401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992570835.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 20023336422401 its reverse (10422463332002), we get a palindrome (30445799754403).

The spelling of 20023336422401 in words is "twenty trillion, twenty-three billion, three hundred thirty-six million, four hundred twenty-two thousand, four hundred one".