20030012001 has 48 divisors (see below), whose sum is σ = 31697976960. Its totient is φ = 12148012800.

The previous prime is 20030011997. The next prime is 20030012053. The reversal of 20030012001 is 10021003002.

It is a happy number.

It is not a de Polignac number, because 20030012001 - 2² = 20030011997 is a prime.

It is a super-3 number, since 3×20030012001³ (a number of 32 digits) contains 333 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 (20030012081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377301 + ... + 427101.

It is an arithmetic number, because the mean of its divisors is an integer number (660374520).

Almost surely, 2^20030012001 is an apocalyptic number.

It is an amenable number.

20030012001 is a deficient number, since it is larger than the sum of its proper divisors (11667964959).

20030012001 is a wasteful number, since it uses less digits than its factorization.

20030012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49926 (or 49923 counting only the distinct ones).

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

Adding to 20030012001 its reverse (10021003002), we get a palindrome (30051015003).

It can be divided in two parts, 2003001 and 2001, that added together give a palindrome (2005002).

The spelling of 20030012001 in words is "twenty billion, thirty million, twelve thousand, one".