20013054435401 has 4 divisors (see below), whose sum is σ = 20034322294404. Its totient is φ = 19991786576400.

The previous prime is 20013054435379. The next prime is 20013054435463. The reversal of 20013054435401 is 10453445031002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16304830229776 + 3708224205625 = 4037924^2 + 1925675^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013054435401 - 2⁶ = 20013054435337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013054425401) 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, 10633928090 + ... + 10633929971.

It is an arithmetic number, because the mean of its divisors is an integer number (5008580573601).

Almost surely, 2^{20013054435401} is an apocalyptic number.

It is an amenable number.

20013054435401 is a deficient number, since it is larger than the sum of its proper divisors (21267859003).

20013054435401 is an equidigital number, since it uses as much as digits as its factorization.

20013054435401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21267859002.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20013054435401 its reverse (10453445031002), we get a palindrome (30466499466403).

The spelling of 20013054435401 in words is "twenty trillion, thirteen billion, fifty-four million, four hundred thirty-five thousand, four hundred one".