20010030103 has 4 divisors (see below), whose sum is σ = 22868605840. Its totient is φ = 17151454368.

The previous prime is 20010030077. The next prime is 20010030119. The reversal of 20010030103 is 30103001002.

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 20010030103 - 2²⁹ = 19473159191 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 20010030103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010630103) 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, 1429287858 + ... + 1429287871.

It is an arithmetic number, because the mean of its divisors is an integer number (5717151460).

Almost surely, 2^20010030103 is an apocalyptic number.

20010030103 is a deficient number, since it is larger than the sum of its proper divisors (2858575737).

20010030103 is an equidigital number, since it uses as much as digits as its factorization.

20010030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858575736.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20010030103 its reverse (30103001002), we get a palindrome (50113031105).

The spelling of 20010030103 in words is "twenty billion, ten million, thirty thousand, one hundred three".