420232170617 has 32 divisors (see below), whose sum is σ = 500617877760. Its totient is φ = 345250298880.

The previous prime is 420232170613. The next prime is 420232170619. The reversal of 420232170617 is 716071232024.

It is a cyclic number.

It is not a de Polignac number, because 420232170617 - 2² = 420232170613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420232170613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32386343 + ... + 32399315.

It is an arithmetic number, because the mean of its divisors is an integer number (15644308680).

Almost surely, 2^420232170617 is an apocalyptic number.

It is an amenable number.

420232170617 is a deficient number, since it is larger than the sum of its proper divisors (80385707143).

420232170617 is a wasteful number, since it uses less digits than its factorization.

420232170617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14993.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 420232170617 in words is "four hundred twenty billion, two hundred thirty-two million, one hundred seventy thousand, six hundred seventeen".