20010100003 has 8 divisors (see below), whose sum is σ = 20488489488. Its totient is φ = 19536996864.

The previous prime is 20010100001. The next prime is 20010100013. The reversal of 20010100003 is 30000101002.

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

It is a cyclic number.

It is not a de Polignac number, because 20010100003 - 2¹ = 20010100001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010100001) 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, 1313926 + ... + 1329067.

It is an arithmetic number, because the mean of its divisors is an integer number (2561061186).

Almost surely, 2^20010100003 is an apocalyptic number.

20010100003 is a deficient number, since it is larger than the sum of its proper divisors (478389485).

20010100003 is a wasteful number, since it uses less digits than its factorization.

20010100003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643173.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 20010100003 its reverse (30000101002), we get a palindrome (50010201005).

Subtracting 20010100003 from its reverse (30000101002), we obtain a palindrome (9990000999).

The spelling of 20010100003 in words is "twenty billion, ten million, one hundred thousand, three".