420332430220341 has 4 divisors (see below), whose sum is σ = 560443240293792. Its totient is φ = 280221620146892.

The previous prime is 420332430220333. The next prime is 420332430220397. The reversal of 420332430220341 is 143022034233024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420332430220341 - 2³ = 420332430220333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420332430220841) 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, 70055405036721 + ... + 70055405036726.

It is an arithmetic number, because the mean of its divisors is an integer number (140110810073448).

Almost surely, 2^{420332430220341} is an apocalyptic number.

It is an amenable number.

420332430220341 is a deficient number, since it is larger than the sum of its proper divisors (140110810073451).

420332430220341 is a wasteful number, since it uses less digits than its factorization.

420332430220341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140110810073450.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 420332430220341 its reverse (143022034233024), we get a palindrome (563354464453365).

The spelling of 420332430220341 in words is "four hundred twenty trillion, three hundred thirty-two billion, four hundred thirty million, two hundred twenty thousand, three hundred forty-one".