10020303 has 12 divisors (see below), whose sum is σ = 14865448. Its totient is φ = 6499440.

The previous prime is 10020299. The next prime is 10020313. The reversal of 10020303 is 30302001.

It is a happy number.

It is not a de Polignac number, because 10020303 - 2² = 10020299 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 (10020313) 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, 14713 + ... + 15378.

Almost surely, 2^10020303 is an apocalyptic number.

10020303 is a deficient number, since it is larger than the sum of its proper divisors (4845145).

10020303 is a wasteful number, since it uses less digits than its factorization.

10020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30134 (or 30131 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 10020303 is about 3165.4862185769. The cubic root of 10020303 is about 215.5891753968.

Adding to 10020303 its reverse (30302001), we get a palindrome (40322304).

The spelling of 10020303 in words is "ten million, twenty thousand, three hundred three".