20201000003 has 8 divisors (see below), whose sum is σ = 20905525200. Its totient is φ = 19497004128.

The previous prime is 20200999919. The next prime is 20201000009. The reversal of 20201000003 is 30000010202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201000003 is a prime.

It is a super-2 number, since 2×20201000003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201000009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53876 + ... + 208097.

It is an arithmetic number, because the mean of its divisors is an integer number (2613190650).

Almost surely, 2^20201000003 is an apocalyptic number.

20201000003 is a deficient number, since it is larger than the sum of its proper divisors (704525197).

20201000003 is a wasteful number, since it uses less digits than its factorization.

20201000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264661.

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 20201000003 its reverse (30000010202), we get a palindrome (50201010205).

The spelling of 20201000003 in words is "twenty billion, two hundred one million, three", and thus it is an aban number.