420071715603 has 20 divisors (see below), whose sum is σ = 627783104520. Its totient is φ = 279927954432.

The previous prime is 420071715601. The next prime is 420071715649. The reversal of 420071715603 is 306517170024.

It is a happy number.

420071715603 is a `hidden beast` number, since 4 + 20 + 0 + 7 + 1 + 71 + 560 + 3 = 666.

It is not a de Polignac number, because 420071715603 - 2¹ = 420071715601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420071715601) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 919150 + ... + 1298067.

It is an arithmetic number, because the mean of its divisors is an integer number (31389155226).

Almost surely, 2^420071715603 is an apocalyptic number.

420071715603 is a deficient number, since it is larger than the sum of its proper divisors (207711388917).

420071715603 is a wasteful number, since it uses less digits than its factorization.

420071715603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219568 (or 2219559 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

Adding to 420071715603 its reverse (306517170024), we get a palindrome (726588885627).

The spelling of 420071715603 in words is "four hundred twenty billion, seventy-one million, seven hundred fifteen thousand, six hundred three".