20150343 has 8 divisors (see below), whose sum is σ = 29852400. Its totient is φ = 13433544.

The previous prime is 20150327. The next prime is 20150381. The reversal of 20150343 is 34305102.

It is not a de Polignac number, because 20150343 - 2⁴ = 20150327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20150303) 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, 373128 + ... + 373181.

It is an arithmetic number, because the mean of its divisors is an integer number (3731550).

Almost surely, 2^20150343 is an apocalyptic number.

20150343 is a deficient number, since it is larger than the sum of its proper divisors (9702057).

20150343 is an equidigital number, since it uses as much as digits as its factorization.

20150343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746318 (or 746312 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20150343 is about 4488.9133428927. The cubic root of 20150343 is about 272.1202206090.

Adding to 20150343 its reverse (34305102), we get a palindrome (54455445).

The spelling of 20150343 in words is "twenty million, one hundred fifty thousand, three hundred forty-three".