420234335525 has 24 divisors (see below), whose sum is σ = 536887315584. Its totient is φ = 326122630400.

The previous prime is 420234335503. The next prime is 420234335527. The reversal of 420234335525 is 525533432024.

It is not a de Polignac number, because 420234335525 - 2⁶ = 420234335461 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420234335527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449731 + ... + 1715280.

It is an arithmetic number, because the mean of its divisors is an integer number (22370304816).

Almost surely, 2^420234335525 is an apocalyptic number.

It is an amenable number.

420234335525 is a deficient number, since it is larger than the sum of its proper divisors (116652980059).

420234335525 is a wasteful number, since it uses less digits than its factorization.

420234335525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165181 (or 3165176 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 420234335525 its reverse (525533432024), we get a palindrome (945767767549).

The spelling of 420234335525 in words is "four hundred twenty billion, two hundred thirty-four million, three hundred thirty-five thousand, five hundred twenty-five".