420133534534201 has 4 divisors (see below), whose sum is σ = 420213210916212. Its totient is φ = 420053858152192.

The previous prime is 420133534534159. The next prime is 420133534534267. The reversal of 420133534534201 is 102435435331024.

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 317915853738025 + 102217680796176 = 17830195^2 + 10110276^2 .

It is a cyclic number.

It is not a de Polignac number, because 420133534534201 - 2¹³ = 420133534526009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420133534534601) 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, 39838183096 + ... + 39838193641.

It is an arithmetic number, because the mean of its divisors is an integer number (105053302729053).

Almost surely, 2^{420133534534201} is an apocalyptic number.

It is an amenable number.

420133534534201 is a deficient number, since it is larger than the sum of its proper divisors (79676382011).

420133534534201 is an equidigital number, since it uses as much as digits as its factorization.

420133534534201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79676382010.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 420133534534201 its reverse (102435435331024), we get a palindrome (522568969865225).

The spelling of 420133534534201 in words is "four hundred twenty trillion, one hundred thirty-three billion, five hundred thirty-four million, five hundred thirty-four thousand, two hundred one".