420165012055 has 8 divisors (see below), whose sum is σ = 505514460672. Its totient is φ = 335254378848.

The previous prime is 420165012053. The next prime is 420165012067. The reversal of 420165012055 is 550210561024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420165012055 - 2¹ = 420165012053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420165012053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109701744 + ... + 109705573.

It is an arithmetic number, because the mean of its divisors is an integer number (63189307584).

Almost surely, 2^420165012055 is an apocalyptic number.

420165012055 is a deficient number, since it is larger than the sum of its proper divisors (85349448617).

420165012055 is a wasteful number, since it uses less digits than its factorization.

420165012055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219407705.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 420165012055 its reverse (550210561024), we get a palindrome (970375573079).

The spelling of 420165012055 in words is "four hundred twenty billion, one hundred sixty-five million, twelve thousand, fifty-five".