20343434351 has 8 divisors (see below), whose sum is σ = 20377893744. Its totient is φ = 20309002560.

The previous prime is 20343434329. The next prime is 20343434411. The reversal of 20343434351 is 15343434302.

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 20343434351 - 2¹⁴ = 20343417967 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 (20343434851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881581 + ... + 1892361.

It is an arithmetic number, because the mean of its divisors is an integer number (2547236718).

Almost surely, 2^20343434351 is an apocalyptic number.

20343434351 is a deficient number, since it is larger than the sum of its proper divisors (34459393).

20343434351 is a wasteful number, since it uses less digits than its factorization.

20343434351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 20343434351 its reverse (15343434302), we get a palindrome (35686868653).

The spelling of 20343434351 in words is "twenty billion, three hundred forty-three million, four hundred thirty-four thousand, three hundred fifty-one".