420460500501 has 6 divisors (see below), whose sum is σ = 607331834070. Its totient is φ = 280307000328.

The previous prime is 420460500497. The next prime is 420460500503. The reversal of 420460500501 is 105005064024.

420460500501 is a `hidden beast` number, since 4 + 2 + 0 + 4 + 605 + 0 + 0 + 50 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 420456277476 + 4223025 = 648426^2 + 2055^2 .

It is not a de Polignac number, because 420460500501 - 2² = 420460500497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420460500503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23358916686 + ... + 23358916703.

It is an arithmetic number, because the mean of its divisors is an integer number (101221972345).

Almost surely, 2^420460500501 is an apocalyptic number.

It is an amenable number.

420460500501 is a deficient number, since it is larger than the sum of its proper divisors (186871333569).

420460500501 is a wasteful number, since it uses less digits than its factorization.

420460500501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46717833395 (or 46717833392 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 420460500501 its reverse (105005064024), we get a palindrome (525465564525).

The spelling of 420460500501 in words is "four hundred twenty billion, four hundred sixty million, five hundred thousand, five hundred one".