20433115343243 has 8 divisors (see below), whose sum is σ = 20448898607808. Its totient is φ = 20417337413824.

The previous prime is 20433115343231. The next prime is 20433115343297. The reversal of 20433115343243 is 34234351133402.

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

It is a cyclic number.

It is not a de Polignac number, because 20433115343243 - 2⁴⁴ = 2840929298827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20433115343197 and 20433115343206.

It is not an unprimeable number, because it can be changed into a prime (20433115343203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6346046 + ... + 9007692.

It is an arithmetic number, because the mean of its divisors is an integer number (2556112325976).

Almost surely, 2^{20433115343243} is an apocalyptic number.

20433115343243 is a deficient number, since it is larger than the sum of its proper divisors (15783264565).

20433115343243 is a wasteful number, since it uses less digits than its factorization.

20433115343243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667573.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 20433115343243 its reverse (34234351133402), we get a palindrome (54667466476645).

The spelling of 20433115343243 in words is "twenty trillion, four hundred thirty-three billion, one hundred fifteen million, three hundred forty-three thousand, two hundred forty-three".