420722601 has 32 divisors (see below), whose sum is σ = 638088192. Its totient is φ = 244622400.

The previous prime is 420722593. The next prime is 420722611. The reversal of 420722601 is 106227024.

It is not a de Polignac number, because 420722601 - 2³ = 420722593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420722611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71626 + ... + 77276.

It is an arithmetic number, because the mean of its divisors is an integer number (19940256).

Almost surely, 2^420722601 is an apocalyptic number.

It is an amenable number.

420722601 is a deficient number, since it is larger than the sum of its proper divisors (217365591).

420722601 is a wasteful number, since it uses less digits than its factorization.

420722601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 420722601 is about 20511.5236147879. The cubic root of 420722601 is about 749.3164741347.

Adding to 420722601 its reverse (106227024), we get a palindrome (526949625).

The spelling of 420722601 in words is "four hundred twenty million, seven hundred twenty-two thousand, six hundred one".