20020102003 has 16 divisors (see below), whose sum is σ = 23177594880. Its totient is φ = 17090409600.

The previous prime is 20020101953. The next prime is 20020102019. The reversal of 20020102003 is 30020102002.

It is a de Polignac number, because none of the positive numbers 2^k-20020102003 is a prime.

It is a super-2 number, since 2×20020102003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020102303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39843 + ... + 204028.

It is an arithmetic number, because the mean of its divisors is an integer number (1448599680).

Almost surely, 2^20020102003 is an apocalyptic number.

20020102003 is a deficient number, since it is larger than the sum of its proper divisors (3157492877).

20020102003 is a wasteful number, since it uses less digits than its factorization.

20020102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244338.

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

Adding to 20020102003 its reverse (30020102002), we get a palindrome (50040204005).

Subtracting 20020102003 from its reverse (30020102002), we obtain a palindrome (9999999999).

The spelling of 20020102003 in words is "twenty billion, twenty million, one hundred two thousand, three".