10020203 has 4 divisors (see below), whose sum is σ = 10455888. Its totient is φ = 9584520.

The previous prime is 10020193. The next prime is 10020253. The reversal of 10020203 is 30202001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10020203 - 2⁴ = 10020187 is a prime.

It is a super-2 number, since 2×10020203² = 200808936322418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217808 + ... + 217853.

It is an arithmetic number, because the mean of its divisors is an integer number (2613972).

Almost surely, 2^10020203 is an apocalyptic number.

10020203 is a deficient number, since it is larger than the sum of its proper divisors (435685).

10020203 is an equidigital number, since it uses as much as digits as its factorization.

10020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435684.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 10020203 is about 3165.4704231757. The cubic root of 10020203 is about 215.5884582199.

Adding to 10020203 its reverse (30202001), we get a palindrome (40222204).

The spelling of 10020203 in words is "ten million, twenty thousand, two hundred three".