20001203134 has 16 divisors (see below), whose sum is σ = 32746746096. Its totient is φ = 9086593600.

The previous prime is 20001203099. The next prime is 20001203147. The reversal of 20001203134 is 43130210002.

It is a happy number.

It is a congruent number.

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, 200887 + ... + 283474.

It is an arithmetic number, because the mean of its divisors is an integer number (2046671631).

Almost surely, 2^20001203134 is an apocalyptic number.

20001203134 is a deficient number, since it is larger than the sum of its proper divisors (12745542962).

20001203134 is a wasteful number, since it uses less digits than its factorization.

20001203134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486251.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20001203134 its reverse (43130210002), we get a palindrome (63131413136).

The spelling of 20001203134 in words is "twenty billion, one million, two hundred three thousand, one hundred thirty-four".