20004242134 has 8 divisors (see below), whose sum is σ = 31310987760. Its totient is φ = 9567246216.

The previous prime is 20004242117. The next prime is 20004242173. The reversal of 20004242134 is 43124240002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217437369 + ... + 217437460.

It is an arithmetic number, because the mean of its divisors is an integer number (3913873470).

Almost surely, 2^20004242134 is an apocalyptic number.

20004242134 is a deficient number, since it is larger than the sum of its proper divisors (11306745626).

20004242134 is a wasteful number, since it uses less digits than its factorization.

20004242134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434874854.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20004242134 its reverse (43124240002), we get a palindrome (63128482136).

The spelling of 20004242134 in words is "twenty billion, four million, two hundred forty-two thousand, one hundred thirty-four".