20023222012301 has 4 divisors (see below), whose sum is σ = 20023260175452. Its totient is φ = 20023183849152.

The previous prime is 20023222012279. The next prime is 20023222012351. The reversal of 20023222012301 is 10321022232002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5555925124201 + 14467296888100 = 2357101^2 + 3803590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023222012301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023222012351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18283436 + ... + 19347621.

It is an arithmetic number, because the mean of its divisors is an integer number (5005815043863).

Almost surely, 2^{20023222012301} is an apocalyptic number.

It is an amenable number.

20023222012301 is a deficient number, since it is larger than the sum of its proper divisors (38163151).

20023222012301 is an equidigital number, since it uses as much as digits as its factorization.

20023222012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38163150.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20023222012301 its reverse (10321022232002), we get a palindrome (30344244244303).

The spelling of 20023222012301 in words is "twenty trillion, twenty-three billion, two hundred twenty-two million, twelve thousand, three hundred one".