20001003204134 has 4 divisors (see below), whose sum is σ = 30001504806204. Its totient is φ = 10000501602066.

The previous prime is 20001003204101. The next prime is 20001003204167. The reversal of 20001003204134 is 43140230010002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20001003204101) and next prime (20001003204167).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000250801032 + ... + 5000250801035.

It is an arithmetic number, because the mean of its divisors is an integer number (7500376201551).

Almost surely, 2^{20001003204134} is an apocalyptic number.

20001003204134 is a deficient number, since it is larger than the sum of its proper divisors (10000501602070).

20001003204134 is a wasteful number, since it uses less digits than its factorization.

20001003204134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000501602069.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20001003204134 its reverse (43140230010002), we get a palindrome (63141233214136).

The spelling of 20001003204134 in words is "twenty trillion, one billion, three million, two hundred four thousand, one hundred thirty-four".