20023214310353 has 4 divisors (see below), whose sum is σ = 20101125650340. Its totient is φ = 19945302970368.

The previous prime is 20023214310349. The next prime is 20023214310367. The reversal of 20023214310353 is 35301341232002.

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 11472900285889 + 8550314024464 = 3387167^2 + 2924092^2 .

It is a cyclic number.

It is not a de Polignac number, because 20023214310353 - 2² = 20023214310349 is a prime.

It is a super-2 number, since 2×20023214310353² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023214316353) 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, 38955669608 + ... + 38955670121.

It is an arithmetic number, because the mean of its divisors is an integer number (5025281412585).

Almost surely, 2^{20023214310353} is an apocalyptic number.

It is an amenable number.

20023214310353 is a deficient number, since it is larger than the sum of its proper divisors (77911339987).

20023214310353 is an equidigital number, since it uses as much as digits as its factorization.

20023214310353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77911339986.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20023214310353 its reverse (35301341232002), we get a palindrome (55324555542355).

The spelling of 20023214310353 in words is "twenty trillion, twenty-three billion, two hundred fourteen million, three hundred ten thousand, three hundred fifty-three".