20031120002 has 8 divisors (see below), whose sum is σ = 30100050576. Its totient is φ = 9997769812.

The previous prime is 20031119963. The next prime is 20031120007. The reversal of 20031120002 is 20002113002.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20031120007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8893688 + ... + 8895939.

It is an arithmetic number, because the mean of its divisors is an integer number (3762506322).

Almost surely, 2^20031120002 is an apocalyptic number.

20031120002 is a deficient number, since it is larger than the sum of its proper divisors (10068930574).

20031120002 is a wasteful number, since it uses less digits than its factorization.

20031120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17790192.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20031120002 its reverse (20002113002), we get a palindrome (40033233004).

The spelling of 20031120002 in words is "twenty billion, thirty-one million, one hundred twenty thousand, two".