20134541603 has 16 divisors (see below), whose sum is σ = 22651902720. Its totient is φ = 17740413600.

The previous prime is 20134541591. The next prime is 20134541611. The reversal of 20134541603 is 30614543102.

It is a cyclic number.

It is not a de Polignac number, because 20134541603 - 2⁴ = 20134541587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20134541663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172400 + ... + 264557.

It is an arithmetic number, because the mean of its divisors is an integer number (1415743920).

Almost surely, 2^20134541603 is an apocalyptic number.

20134541603 is a deficient number, since it is larger than the sum of its proper divisors (2517361117).

20134541603 is a wasteful number, since it uses less digits than its factorization.

20134541603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437098.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 20134541603 in words is "twenty billion, one hundred thirty-four million, five hundred forty-one thousand, six hundred three".