20434233304 has 32 divisors (see below), whose sum is σ = 39250498320. Its totient is φ = 9967982976.

The previous prime is 20434233293. The next prime is 20434233307. The reversal of 20434233304 is 40333243402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434233307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267822 + ... + 335554.

Almost surely, 2^20434233304 is an apocalyptic number.

It is an amenable number.

20434233304 is a deficient number, since it is larger than the sum of its proper divisors (18816265016).

20434233304 is a wasteful number, since it uses less digits than its factorization.

20434233304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68659 (or 68655 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20434233304 its reverse (40333243402), we get a palindrome (60767476706).

The spelling of 20434233304 in words is "twenty billion, four hundred thirty-four million, two hundred thirty-three thousand, three hundred four".