420181363 has 8 divisors (see below), whose sum is σ = 490424832. Its totient is φ = 352492296.

The previous prime is 420181343. The next prime is 420181397. The reversal of 420181363 is 363181024.

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 420181363 - 2¹⁷ = 420050291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420181343) 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, 638245 + ... + 638902.

It is an arithmetic number, because the mean of its divisors is an integer number (61303104).

Almost surely, 2^420181363 is an apocalyptic number.

420181363 is a deficient number, since it is larger than the sum of its proper divisors (70243469).

420181363 is a wasteful number, since it uses less digits than its factorization.

420181363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277201.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 420181363 is about 20498.3258584695. The cubic root of 420181363 is about 748.9950172069.

The spelling of 420181363 in words is "four hundred twenty million, one hundred eighty-one thousand, three hundred sixty-three".