20300234 has 4 divisors (see below), whose sum is σ = 30450354. Its totient is φ = 10150116.

The previous prime is 20300233. The next prime is 20300239. The reversal of 20300234 is 43200302.

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

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 1836025 = 4297^2 + 1355^2 .

It is not an unprimeable number, because it can be changed into a prime (20300233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075057 + ... + 5075060.

Almost surely, 2^20300234 is an apocalyptic number.

20300234 is a deficient number, since it is larger than the sum of its proper divisors (10150120).

20300234 is a wasteful number, since it uses less digits than its factorization.

20300234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150119.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20300234 is about 4505.5780983132. The cubic root of 20300234 is about 272.7932885780.

Adding to 20300234 its reverse (43200302), we get a palindrome (63500536).

The spelling of 20300234 in words is "twenty million, three hundred thousand, two hundred thirty-four".