10200120203 has 32 divisors (see below), whose sum is σ = 12692359680. Its totient is φ = 7981908480.

The previous prime is 10200120199. The next prime is 10200120223. The reversal of 10200120203 is 30202100201.

It is a happy number.

It is not a de Polignac number, because 10200120203 - 2² = 10200120199 is a prime.

It is a super-2 number, since 2×10200120203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10200120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4016108 + ... + 4018646.

It is an arithmetic number, because the mean of its divisors is an integer number (396636240).

Almost surely, 2^10200120203 is an apocalyptic number.

10200120203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10200120203 is a deficient number, since it is larger than the sum of its proper divisors (2492239477).

10200120203 is a wasteful number, since it uses less digits than its factorization.

10200120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027.

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

Adding to 10200120203 its reverse (30202100201), we get a palindrome (40402220404).

The spelling of 10200120203 in words is "ten billion, two hundred million, one hundred twenty thousand, two hundred three".