20463234 has 16 divisors (see below), whose sum is σ = 44647200. Its totient is φ = 6200960.

The previous prime is 20463229. The next prime is 20463239. The reversal of 20463234 is 43236402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20463229) and next prime (20463239).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20463239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 154959 + ... + 155090.

It is an arithmetic number, because the mean of its divisors is an integer number (2790450).

Almost surely, 2^20463234 is an apocalyptic number.

20463234 is an abundant number, since it is smaller than the sum of its proper divisors (24183966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20463234 is a wasteful number, since it uses less digits than its factorization.

20463234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310065.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 20463234 is about 4523.6306215251. The cubic root of 20463234 is about 273.5214710419.

Adding to 20463234 its reverse (43236402), we get a palindrome (63699636).

The spelling of 20463234 in words is "twenty million, four hundred sixty-three thousand, two hundred thirty-four".