20343043342 has 8 divisors (see below), whose sum is σ = 30533895000. Its totient is φ = 10165078344.

The previous prime is 20343043321. The next prime is 20343043363. The reversal of 20343043342 is 24334034302.

It is an interprime number because it is at equal distance from previous prime (20343043321) and next prime (20343043363).

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

It is a self number, because there is not a number n which added to its sum of digits gives 20343043342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3217717 + ... + 3224032.

It is an arithmetic number, because the mean of its divisors is an integer number (3816736875).

Almost surely, 2^20343043342 is an apocalyptic number.

20343043342 is a deficient number, since it is larger than the sum of its proper divisors (10190851658).

20343043342 is a wasteful number, since it uses less digits than its factorization.

20343043342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443330.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20343043342 its reverse (24334034302), we get a palindrome (44677077644).

The spelling of 20343043342 in words is "twenty billion, three hundred forty-three million, forty-three thousand, three hundred forty-two".