420238067675 has 6 divisors (see below), whose sum is σ = 521095203948. Its totient is φ = 336190454120.

The previous prime is 420238067663. The next prime is 420238067759. The reversal of 420238067675 is 576760832024.

It is not a de Polignac number, because 420238067675 - 2²⁰ = 420237019099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8404761329 + ... + 8404761378.

It is an arithmetic number, because the mean of its divisors is an integer number (86849200658).

Almost surely, 2^420238067675 is an apocalyptic number.

420238067675 is a deficient number, since it is larger than the sum of its proper divisors (100857136273).

420238067675 is a wasteful number, since it uses less digits than its factorization.

420238067675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16809522717 (or 16809522712 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

Adding to 420238067675 its reverse (576760832024), we get a palindrome (996998899699).

The spelling of 420238067675 in words is "four hundred twenty billion, two hundred thirty-eight million, sixty-seven thousand, six hundred seventy-five".