20331440013001 has 16 divisors (see below), whose sum is σ = 22425316300800. Its totient is φ = 18316974386880.

The previous prime is 20331440012981. The next prime is 20331440013023. The reversal of 20331440013001 is 10031004413302.

It is not a de Polignac number, because 20331440013001 - 2¹¹ = 20331440010953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331440013301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77116101 + ... + 77379298.

It is an arithmetic number, because the mean of its divisors is an integer number (1401582268800).

Almost surely, 2^{20331440013001} is an apocalyptic number.

It is an amenable number.

20331440013001 is a deficient number, since it is larger than the sum of its proper divisors (2093876287799).

20331440013001 is a wasteful number, since it uses less digits than its factorization.

20331440013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154495656.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20331440013001 its reverse (10031004413302), we get a palindrome (30362444426303).

The spelling of 20331440013001 in words is "twenty trillion, three hundred thirty-one billion, four hundred forty million, thirteen thousand, one".