20120023003 has 8 divisors (see below), whose sum is σ = 20421997200. Its totient is φ = 19820183328.

The previous prime is 20120022959. The next prime is 20120023019. The reversal of 20120023003 is 30032002102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120023003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120023103) 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, 514633 + ... + 552346.

It is an arithmetic number, because the mean of its divisors is an integer number (2552749650).

Almost surely, 2^20120023003 is an apocalyptic number.

20120023003 is a deficient number, since it is larger than the sum of its proper divisors (301974197).

20120023003 is a wasteful number, since it uses less digits than its factorization.

20120023003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067261.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20120023003 its reverse (30032002102), we get a palindrome (50152025105).

The spelling of 20120023003 in words is "twenty billion, one hundred twenty million, twenty-three thousand, three".