420424422532 has 12 divisors (see below), whose sum is σ = 736047917136. Its totient is φ = 210125017640.

The previous prime is 420424422499. The next prime is 420424422533. The reversal of 420424422532 is 235224424024.

It is a super-2 number, since 2×420424422532² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420424422533) 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 3 ways as a sum of consecutive naturals, for example, 21787558 + ... + 21806845.

It is an arithmetic number, because the mean of its divisors is an integer number (61337326428).

Almost surely, 2^420424422532 is an apocalyptic number.

It is an amenable number.

420424422532 is a deficient number, since it is larger than the sum of its proper divisors (315623494604).

420424422532 is a wasteful number, since it uses less digits than its factorization.

420424422532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43596818 (or 43596816 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 34.

Adding to 420424422532 its reverse (235224424024), we get a palindrome (655648846556).

The spelling of 420424422532 in words is "four hundred twenty billion, four hundred twenty-four million, four hundred twenty-two thousand, five hundred thirty-two".