20304024434 has 16 divisors (see below), whose sum is σ = 30825308160. Its totient is φ = 10029122400.

The previous prime is 20304024431. The next prime is 20304024493. The reversal of 20304024434 is 43442040302.

20304024434 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20304024431) 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, 155327 + ... + 254429.

It is an arithmetic number, because the mean of its divisors is an integer number (1926581760).

Almost surely, 2^20304024434 is an apocalyptic number.

20304024434 is a deficient number, since it is larger than the sum of its proper divisors (10521283726).

20304024434 is a wasteful number, since it uses less digits than its factorization.

20304024434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100345.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20304024434 its reverse (43442040302), we get a palindrome (63746064736).

The spelling of 20304024434 in words is "twenty billion, three hundred four million, twenty-four thousand, four hundred thirty-four".