20310234442033 has 4 divisors (see below), whose sum is σ = 20456351236720. Its totient is φ = 20164117647348.

The previous prime is 20310234442027. The next prime is 20310234442193. The reversal of 20310234442033 is 33024443201302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20310234442033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310234441986 and 20310234442004.

It is not an unprimeable number, because it can be changed into a prime (20310234440033) 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, 73058397135 + ... + 73058397412.

It is an arithmetic number, because the mean of its divisors is an integer number (5114087809180).

Almost surely, 2^{20310234442033} is an apocalyptic number.

It is an amenable number.

20310234442033 is a deficient number, since it is larger than the sum of its proper divisors (146116794687).

20310234442033 is a wasteful number, since it uses less digits than its factorization.

20310234442033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146116794686.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20310234442033 its reverse (33024443201302), we get a palindrome (53334677643335).

The spelling of 20310234442033 in words is "twenty trillion, three hundred ten billion, two hundred thirty-four million, four hundred forty-two thousand, thirty-three".