10020403 has 2 divisors, whose sum is σ = 10020404. Its totient is φ = 10020402.

The previous prime is 10020401. The next prime is 10020407. The reversal of 10020403 is 30402001.

10020403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10020403 - 2¹ = 10020401 is a prime.

Together with 10020401, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10020403.

It is not a weakly prime, because it can be changed into another prime (10020401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010201 + 5010202.

It is an arithmetic number, because the mean of its divisors is an integer number (5010202).

Almost surely, 2^10020403 is an apocalyptic number.

10020403 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020403 is an equidigital number, since it uses as much as digits as its factorization.

10020403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10020403 is about 3165.5020138992. The cubic root of 10020403 is about 215.5898925689.

Adding to 10020403 its reverse (30402001), we get a palindrome (40422404).

It can be divided in two parts, 100 and 20403, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 10020403 in words is "ten million, twenty thousand, four hundred three".