420432210133 has 6 divisors (see below), whose sum is σ = 455260914114. Its totient is φ = 388091270736.

The previous prime is 420432210119. The next prime is 420432210173. The reversal of 420432210133 is 331012234024.

It can be written as a sum of positive squares in 3 ways, for example, as 27344591044 + 393087619089 = 165362^2 + 626967^2 .

It is a de Polignac number, because none of the positive numbers 2^k-420432210133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420432210098 and 420432210107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420432210173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1243882110 + ... + 1243882447.

It is an arithmetic number, because the mean of its divisors is an integer number (75876819019).

Almost surely, 2^420432210133 is an apocalyptic number.

It is an amenable number.

420432210133 is a deficient number, since it is larger than the sum of its proper divisors (34828703981).

420432210133 is a wasteful number, since it uses less digits than its factorization.

420432210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487764583 (or 2487764570 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 420432210133 its reverse (331012234024), we get a palindrome (751444444157).

The spelling of 420432210133 in words is "four hundred twenty billion, four hundred thirty-two million, two hundred ten thousand, one hundred thirty-three".