20230351 has 4 divisors (see below), whose sum is σ = 20660832. Its totient is φ = 19799872.

The previous prime is 20230303. The next prime is 20230361. The reversal of 20230351 is 15303202.

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 20230351 - 2¹¹ = 20228303 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 (20230361) 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 3 ways as a sum of consecutive naturals, for example, 215170 + ... + 215263.

It is an arithmetic number, because the mean of its divisors is an integer number (5165208).

Almost surely, 2^20230351 is an apocalyptic number.

20230351 is a deficient number, since it is larger than the sum of its proper divisors (430481).

20230351 is an equidigital number, since it uses as much as digits as its factorization.

20230351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430480.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20230351 is about 4497.8162479141. The cubic root of 20230351 is about 272.4799008827.

Adding to 20230351 its reverse (15303202), we get a palindrome (35533553).

The spelling of 20230351 in words is "twenty million, two hundred thirty thousand, three hundred fifty-one".