20102004134 has 4 divisors (see below), whose sum is σ = 30153006204. Its totient is φ = 10051002066.

The previous prime is 20102004113. The next prime is 20102004137. The reversal of 20102004134 is 43140020102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102004137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025501032 + ... + 5025501035.

It is an arithmetic number, because the mean of its divisors is an integer number (7538251551).

Almost surely, 2^20102004134 is an apocalyptic number.

20102004134 is a deficient number, since it is larger than the sum of its proper divisors (10051002070).

20102004134 is a wasteful number, since it uses less digits than its factorization.

20102004134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10051002069.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20102004134 its reverse (43140020102), we get a palindrome (63242024236).

The spelling of 20102004134 in words is "twenty billion, one hundred two million, four thousand, one hundred thirty-four".