20003231022293 has 4 divisors (see below), whose sum is σ = 20004699809760. Its totient is φ = 20001762234828.

The previous prime is 20003231022251. The next prime is 20003231022349. The reversal of 20003231022293 is 39222013230002.

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-20003231022293 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 (20003231022223) 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, 734373305 + ... + 734400542.

It is an arithmetic number, because the mean of its divisors is an integer number (5001174952440).

Almost surely, 2^{20003231022293} is an apocalyptic number.

It is an amenable number.

20003231022293 is a deficient number, since it is larger than the sum of its proper divisors (1468787467).

20003231022293 is a wasteful number, since it uses less digits than its factorization.

20003231022293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468787466.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 20003231022293 its reverse (39222013230002), we get a palindrome (59225244252295).

The spelling of 20003231022293 in words is "twenty trillion, three billion, two hundred thirty-one million, twenty-two thousand, two hundred ninety-three".