10020102003 has 20 divisors (see below), whose sum is σ = 14971383240. Its totient is φ = 6678692352.

The previous prime is 10020101989. The next prime is 10020102017. The reversal of 10020102003 is 30020102001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10020101989) and next prime (10020102017).

It is not a de Polignac number, because 10020102003 - 2⁹ = 10020101491 is a prime.

It is a super-2 number, since 2×10020102003² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10020102023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 519376 + ... + 538322.

It is an arithmetic number, because the mean of its divisors is an integer number (748569162).

Almost surely, 2^10020102003 is an apocalyptic number.

10020102003 is a deficient number, since it is larger than the sum of its proper divisors (4951281237).

10020102003 is an equidigital number, since it uses as much as digits as its factorization.

10020102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25488 (or 25479 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10020102003 its reverse (30020102001), we get a palindrome (40040204004).

The spelling of 10020102003 in words is "ten billion, twenty million, one hundred two thousand, three".