20343313042 has 16 divisors (see below), whose sum is σ = 32865803712. Its totient is φ = 9388213200.

The previous prime is 20343313019. The next prime is 20343313049. The reversal of 20343313042 is 24031334302.

It is a junction number, because it is equal to n+sod(n) for n = 20343312998 and 20343313016.

It is not an unprimeable number, because it can be changed into a prime (20343313049) 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, 240667 + ... + 314017.

It is an arithmetic number, because the mean of its divisors is an integer number (2054112732).

Almost surely, 2^20343313042 is an apocalyptic number.

20343313042 is a deficient number, since it is larger than the sum of its proper divisors (12522490670).

20343313042 is a wasteful number, since it uses less digits than its factorization.

20343313042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84033.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20343313042 its reverse (24031334302), we get a palindrome (44374647344).

The spelling of 20343313042 in words is "twenty billion, three hundred forty-three million, three hundred thirteen thousand, forty-two".