501705420201 has 12 divisors (see below), whose sum is σ = 725315235840. Its totient is φ = 334179682200.

The previous prime is 501705420199. The next prime is 501705420257. The reversal of 501705420201 is 102024507105.

501705420201 is a `hidden beast` number, since 50 + 1 + 70 + 542 + 0 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 501705420201 - 2¹ = 501705420199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501705421201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24205561 + ... + 24226278.

It is an arithmetic number, because the mean of its divisors is an integer number (60442936320).

Almost surely, 2^501705420201 is an apocalyptic number.

It is an amenable number.

501705420201 is a deficient number, since it is larger than the sum of its proper divisors (223609815639).

501705420201 is a wasteful number, since it uses less digits than its factorization.

501705420201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48432996 (or 48432993 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 501705420201 its reverse (102024507105), we get a palindrome (603729927306).

The spelling of 501705420201 in words is "five hundred one billion, seven hundred five million, four hundred twenty thousand, two hundred one".