20236601003 has 4 divisors (see below), whose sum is σ = 20249633208. Its totient is φ = 20223568800.

The previous prime is 20236600987. The next prime is 20236601009. The reversal of 20236601003 is 30010663202.

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

It is a cyclic number.

It is not a de Polignac number, because 20236601003 - 2⁴ = 20236600987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20236601003.

It is not an unprimeable number, because it can be changed into a prime (20236601009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6513773 + ... + 6516878.

It is an arithmetic number, because the mean of its divisors is an integer number (5062408302).

Almost surely, 2^20236601003 is an apocalyptic number.

20236601003 is a deficient number, since it is larger than the sum of its proper divisors (13032205).

20236601003 is a wasteful number, since it uses less digits than its factorization.

20236601003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13032204.

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 20236601003 in words is "twenty billion, two hundred thirty-six million, six hundred one thousand, three".