20003031232001 has 16 divisors (see below), whose sum is σ = 20907006111360. Its totient is φ = 19101917767680.

The previous prime is 20003031231979. The next prime is 20003031232013. The reversal of 20003031232001 is 10023213030002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003031232001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003031232081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205365530 + ... + 205462908.

It is an arithmetic number, because the mean of its divisors is an integer number (1306687881960).

Almost surely, 2^{20003031232001} is an apocalyptic number.

It is an amenable number.

20003031232001 is a deficient number, since it is larger than the sum of its proper divisors (903974879359).

20003031232001 is a wasteful number, since it uses less digits than its factorization.

20003031232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111976.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20003031232001 its reverse (10023213030002), we get a palindrome (30026244262003).

The spelling of 20003031232001 in words is "twenty trillion, three billion, thirty-one million, two hundred thirty-two thousand, one".