20004010103 has 32 divisors (see below), whose sum is σ = 26274362880. Its totient is φ = 14754960000.

The previous prime is 20004010099. The next prime is 20004010127. The reversal of 20004010103 is 30101040002.

It is a happy number.

It is not a de Polignac number, because 20004010103 - 2² = 20004010099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004010163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2015453 + ... + 2025353.

It is an arithmetic number, because the mean of its divisors is an integer number (821073840).

Almost surely, 2^20004010103 is an apocalyptic number.

20004010103 is a deficient number, since it is larger than the sum of its proper divisors (6270352777).

20004010103 is a wasteful number, since it uses less digits than its factorization.

20004010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11319.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20004010103 its reverse (30101040002), we get a palindrome (50105050105).

The spelling of 20004010103 in words is "twenty billion, four million, ten thousand, one hundred three".