20210000103 has 12 divisors (see below), whose sum is σ = 29981201848. Its totient is φ = 13109189040.

The previous prime is 20210000099. The next prime is 20210000137. The reversal of 20210000103 is 30100001202.

It is a happy number.

It is not a de Polignac number, because 20210000103 - 2² = 20210000099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210000143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30345013 + ... + 30345678.

Almost surely, 2^20210000103 is an apocalyptic number.

20210000103 is a deficient number, since it is larger than the sum of its proper divisors (9771201745).

20210000103 is a wasteful number, since it uses less digits than its factorization.

20210000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60690734 (or 60690731 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20210000103 its reverse (30100001202), we get a palindrome (50310001305).

The spelling of 20210000103 in words is "twenty billion, two hundred ten million, one hundred three", and thus it is an aban number.