420263503527 has 8 divisors (see below), whose sum is σ = 640401529216. Its totient is φ = 240150573432.

The previous prime is 420263503453. The next prime is 420263503567. The reversal of 420263503527 is 725305362024.

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

It is not a de Polignac number, because 420263503527 - 2¹⁹ = 420262979239 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 (420263503567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10006273873 + ... + 10006273914.

It is an arithmetic number, because the mean of its divisors is an integer number (80050191152).

Almost surely, 2^420263503527 is an apocalyptic number.

420263503527 is a deficient number, since it is larger than the sum of its proper divisors (220138025689).

420263503527 is a wasteful number, since it uses less digits than its factorization.

420263503527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012547797.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 420263503527 in words is "four hundred twenty billion, two hundred sixty-three million, five hundred three thousand, five hundred twenty-seven".