420261133270 has 32 divisors (see below), whose sum is σ = 826012248480. Its totient is φ = 152679229440.

The previous prime is 420261133241. The next prime is 420261133277. The reversal of 420261133270 is 72331162024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420261133277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1669387 + ... + 1904566.

It is an arithmetic number, because the mean of its divisors is an integer number (25812882765).

Almost surely, 2^420261133270 is an apocalyptic number.

420261133270 is a deficient number, since it is larger than the sum of its proper divisors (405751115210).

420261133270 is a wasteful number, since it uses less digits than its factorization.

420261133270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575040.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 420261133270 its reverse (72331162024), we get a palindrome (492592295294).

The spelling of 420261133270 in words is "four hundred twenty billion, two hundred sixty-one million, one hundred thirty-three thousand, two hundred seventy".