20302334434 has 16 divisors (see below), whose sum is σ = 31567426560. Its totient is φ = 9782599680.

The previous prime is 20302334407. The next prime is 20302334443. The reversal of 20302334434 is 43443320302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670239 + ... + 699874.

It is an arithmetic number, because the mean of its divisors is an integer number (1972964160).

Almost surely, 2^20302334434 is an apocalyptic number.

20302334434 is a deficient number, since it is larger than the sum of its proper divisors (11265092126).

20302334434 is a wasteful number, since it uses less digits than its factorization.

20302334434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370385.

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

Adding to 20302334434 its reverse (43443320302), we get a palindrome (63745654736).

The spelling of 20302334434 in words is "twenty billion, three hundred two million, three hundred thirty-four thousand, four hundred thirty-four".