20031004442401 has 8 divisors (see below), whose sum is σ = 20521409455008. Its totient is φ = 19540687236000.

The previous prime is 20031004442381. The next prime is 20031004442489. The reversal of 20031004442401 is 10424440013002.

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-20031004442401 is a prime.

It is a super-2 number, since 2×20031004442401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20031004412401) 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, 21489595 + ... + 22402336.

It is an arithmetic number, because the mean of its divisors is an integer number (2565176181876).

Almost surely, 2^{20031004442401} is an apocalyptic number.

It is an amenable number.

20031004442401 is a deficient number, since it is larger than the sum of its proper divisors (490405012607).

20031004442401 is a wasteful number, since it uses less digits than its factorization.

20031004442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43903103.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20031004442401 its reverse (10424440013002), we get a palindrome (30455444455403).

The spelling of 20031004442401 in words is "twenty trillion, thirty-one billion, four million, four hundred forty-two thousand, four hundred one".