20012006003 has 8 divisors (see below), whose sum is σ = 21832636080. Its totient is φ = 18191602080.

The previous prime is 20012005997. The next prime is 20012006033. The reversal of 20012006003 is 30060021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012006003 - 2¹⁴ = 20011989619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012006033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166901 + ... + 260537.

It is an arithmetic number, because the mean of its divisors is an integer number (2729079510).

Almost surely, 2^20012006003 is an apocalyptic number.

20012006003 is a deficient number, since it is larger than the sum of its proper divisors (1820630077).

20012006003 is a wasteful number, since it uses less digits than its factorization.

20012006003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113077.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20012006003 its reverse (30060021002), we get a palindrome (50072027005).

The spelling of 20012006003 in words is "twenty billion, twelve million, six thousand, three".