20103212004401 has 16 divisors (see below), whose sum is σ = 20982724358400. Its totient is φ = 19243365539328.

The previous prime is 20103212004341. The next prime is 20103212004439. The reversal of 20103212004401 is 10440021230102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20103212004401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103212804401) 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, 12960896 + ... + 14428833.

It is an arithmetic number, because the mean of its divisors is an integer number (1311420272400).

Almost surely, 2^{20103212004401} is an apocalyptic number.

It is an amenable number.

20103212004401 is a deficient number, since it is larger than the sum of its proper divisors (879512353999).

20103212004401 is a wasteful number, since it uses less digits than its factorization.

20103212004401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27390088.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20103212004401 its reverse (10440021230102), we get a palindrome (30543233234503).

The spelling of 20103212004401 in words is "twenty trillion, one hundred three billion, two hundred twelve million, four thousand, four hundred one".