20200010103 has 144 divisors (see below), whose sum is σ = 37908089856. Its totient is φ = 10137104640.

The previous prime is 20200010101. The next prime is 20200010143. The reversal of 20200010103 is 30101000202.

It is a happy number.

It is not a de Polignac number, because 20200010103 - 2¹ = 20200010101 is a prime.

It is a super-2 number, since 2×20200010103² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200010101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18514588 + ... + 18515678.

It is an arithmetic number, because the mean of its divisors is an integer number (263250624).

Almost surely, 2^20200010103 is an apocalyptic number.

20200010103 is a deficient number, since it is larger than the sum of its proper divisors (17708079753).

20200010103 is a wasteful number, since it uses less digits than its factorization.

20200010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1198 counting only the distinct ones).

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

Adding to 20200010103 its reverse (30101000202), we get a palindrome (50301010305).

Subtracting 20200010103 from its reverse (30101000202), we obtain a palindrome (9900990099).

The spelling of 20200010103 in words is "twenty billion, two hundred million, ten thousand, one hundred three".