20010343 has 8 divisors (see below), whose sum is σ = 21239712. Its totient is φ = 18786816.

The previous prime is 20010323. The next prime is 20010349. The reversal of 20010343 is 34301002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010343 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 (20010349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7071 + ... + 9487.

It is an arithmetic number, because the mean of its divisors is an integer number (2654964).

Almost surely, 2^20010343 is an apocalyptic number.

20010343 is a deficient number, since it is larger than the sum of its proper divisors (1229369).

20010343 is a wasteful number, since it uses less digits than its factorization.

20010343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20010343 is about 4473.2921880870. The cubic root of 20010343 is about 271.4885456313.

Adding to 20010343 its reverse (34301002), we get a palindrome (54311345).

The spelling of 20010343 in words is "twenty million, ten thousand, three hundred forty-three".