420603234056 has 16 divisors (see below), whose sum is σ = 796439293740. Its totient is φ = 208219422400.

The previous prime is 420603233987. The next prime is 420603234067. The reversal of 420603234056 is 650432306024.

It can be written as a sum of positive squares in 2 ways, for example, as 406832211556 + 13771022500 = 637834^2 + 117350^2 .

It is a super-2 number, since 2×420603234056² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260273471 + ... + 260275086.

Almost surely, 2^420603234056 is an apocalyptic number.

It is an amenable number.

420603234056 is a deficient number, since it is larger than the sum of its proper divisors (375836059684).

420603234056 is a wasteful number, since it uses less digits than its factorization.

420603234056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520548664 (or 520548660 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 420603234056 in words is "four hundred twenty billion, six hundred three million, two hundred thirty-four thousand, fifty-six".