20230345 has 16 divisors (see below), whose sum is σ = 25980480. Its totient is φ = 15076800.

The previous prime is 20230303. The next prime is 20230361. The reversal of 20230345 is 54303202.

It is a de Polignac number, because none of the positive numbers 2^k-20230345 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4050 + ... + 7540.

It is an arithmetic number, because the mean of its divisors is an integer number (1623780).

Almost surely, 2^20230345 is an apocalyptic number.

It is an amenable number.

20230345 is a deficient number, since it is larger than the sum of its proper divisors (5750135).

20230345 is a wasteful number, since it uses less digits than its factorization.

20230345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20230345 is about 4497.8155809237. The cubic root of 20230345 is about 272.4798739449.

Adding to 20230345 its reverse (54303202), we get a palindrome (74533547).

The spelling of 20230345 in words is "twenty million, two hundred thirty thousand, three hundred forty-five".