420430400321032 has 32 divisors (see below), whose sum is σ = 789867291288600. Its totient is φ = 209799286265344.

The previous prime is 420430400320999. The next prime is 420430400321047. The reversal of 420430400321032 is 230123004034024.

It can be written as a sum of positive squares in 4 ways, for example, as 162027797412196 + 258402602908836 = 12729014^2 + 16074906^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10337598 + ... + 30785170.

Almost surely, 2^{420430400321032} is an apocalyptic number.

It is an amenable number.

420430400321032 is a deficient number, since it is larger than the sum of its proper divisors (369436890967568).

420430400321032 is a wasteful number, since it uses less digits than its factorization.

420430400321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20452665 (or 20452661 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 420430400321032 its reverse (230123004034024), we get a palindrome (650553404355056).

The spelling of 420430400321032 in words is "four hundred twenty trillion, four hundred thirty billion, four hundred million, three hundred twenty-one thousand, thirty-two".