2010021003 has 12 divisors (see below), whose sum is σ = 2903758000. Its totient is φ = 1339832016.

The previous prime is 2010020977. The next prime is 2010021007. The reversal of 2010021003 is 3001200102.

It is a happy number.

It is not a de Polignac number, because 2010021003 - 2¹² = 2010016907 is a prime.

It is a super-2 number, since 2×2010021003² = 8080368865002252018, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010021007) 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, 104373 + ... + 122121.

Almost surely, 2^2010021003 is an apocalyptic number.

2010021003 is a deficient number, since it is larger than the sum of its proper divisors (893736997).

2010021003 is a wasteful number, since it uses less digits than its factorization.

2010021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30338 (or 30335 counting only the distinct ones).

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

The square root of 2010021003 is about 44833.2577781272. The cubic root of 2010021003 is about 1262.0218239181.

Adding to 2010021003 its reverse (3001200102), we get a palindrome (5011221105).

The spelling of 2010021003 in words is "two billion, ten million, twenty-one thousand, three".