20003534234 has 4 divisors (see below), whose sum is σ = 30005301354. Its totient is φ = 10001767116.

The previous prime is 20003534231. The next prime is 20003534261. The reversal of 20003534234 is 43243530002.

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., 15563311009 + 4440223225 = 124753^2 + 66635^2 .

It is not an unprimeable number, because it can be changed into a prime (20003534231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000883557 + ... + 5000883560.

Almost surely, 2^20003534234 is an apocalyptic number.

20003534234 is a deficient number, since it is larger than the sum of its proper divisors (10001767120).

20003534234 is a wasteful number, since it uses less digits than its factorization.

20003534234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001767119.

The product of its (nonzero) digits is 8640, while the sum is 26.

The spelling of 20003534234 in words is "twenty billion, three million, five hundred thirty-four thousand, two hundred thirty-four".