20102124203 has 16 divisors (see below), whose sum is σ = 24268504320. Its totient is φ = 16265818656.

The previous prime is 20102124199. The next prime is 20102124221. The reversal of 20102124203 is 30242120102.

It is a cyclic number.

It is not a de Polignac number, because 20102124203 - 2² = 20102124199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102124253) 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 15 ways as a sum of consecutive naturals, for example, 229400 + ... + 304677.

It is an arithmetic number, because the mean of its divisors is an integer number (1516781520).

Almost surely, 2^20102124203 is an apocalyptic number.

20102124203 is a deficient number, since it is larger than the sum of its proper divisors (4166380117).

20102124203 is a wasteful number, since it uses less digits than its factorization.

20102124203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534386.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20102124203 its reverse (30242120102), we get a palindrome (50344244305).

The spelling of 20102124203 in words is "twenty billion, one hundred two million, one hundred twenty-four thousand, two hundred three".