20200234 has 4 divisors (see below), whose sum is σ = 30300354. Its totient is φ = 10100116.

The previous prime is 20200223. The next prime is 20200237. The reversal of 20200234 is 43200202.

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., 16378209 + 3822025 = 4047^2 + 1955^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20200237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050057 + ... + 5050060.

Almost surely, 2^20200234 is an apocalyptic number.

20200234 is a deficient number, since it is larger than the sum of its proper divisors (10100120).

20200234 is a wasteful number, since it uses less digits than its factorization.

20200234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100119.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20200234 is about 4494.4670429318. The cubic root of 20200234 is about 272.3446197765.

Adding to 20200234 its reverse (43200202), we get a palindrome (63400436).

The spelling of 20200234 in words is "twenty million, two hundred thousand, two hundred thirty-four".