20013101003 has 8 divisors (see below), whose sum is σ = 23247068640. Its totient is φ = 16872871680.

The previous prime is 20013100981. The next prime is 20013101041. The reversal of 20013101003 is 30010131002.

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

It is not a de Polignac number, because 20013101003 - 2²⁰ = 20012052427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013121003) 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, 23434118 + ... + 23434971.

It is an arithmetic number, because the mean of its divisors is an integer number (2905883580).

Almost surely, 2^20013101003 is an apocalyptic number.

20013101003 is a deficient number, since it is larger than the sum of its proper divisors (3233967637).

20013101003 is an equidigital number, since it uses as much as digits as its factorization.

20013101003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46869157.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20013101003 its reverse (30010131002), we get a palindrome (50023232005).

The spelling of 20013101003 in words is "twenty billion, thirteen million, one hundred one thousand, three".