20301000343 has 4 divisors (see below), whose sum is σ = 21862615768. Its totient is φ = 18739384920.

The previous prime is 20301000331. The next prime is 20301000367. The reversal of 20301000343 is 34300010302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20301000343 - 2²⁵ = 20267445911 is a prime.

It is a super-2 number, since 2×20301000343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301000443) 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 3 ways as a sum of consecutive naturals, for example, 780807693 + ... + 780807718.

It is an arithmetic number, because the mean of its divisors is an integer number (5465653942).

Almost surely, 2^20301000343 is an apocalyptic number.

20301000343 is a deficient number, since it is larger than the sum of its proper divisors (1561615425).

20301000343 is a wasteful number, since it uses less digits than its factorization.

20301000343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561615424.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20301000343 its reverse (34300010302), we get a palindrome (54601010645).

The spelling of 20301000343 in words is "twenty billion, three hundred one million, three hundred forty-three", and thus it is an aban number.