420402201 has 8 divisors (see below), whose sum is σ = 571112640. Its totient is φ = 274979952.

The previous prime is 420402181. The next prime is 420402223. The reversal of 420402201 is 102204024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420402201 - 2⁹ = 420401689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420402001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321861 + ... + 1322178.

It is an arithmetic number, because the mean of its divisors is an integer number (71389080).

Almost surely, 2^420402201 is an apocalyptic number.

It is an amenable number.

420402201 is a deficient number, since it is larger than the sum of its proper divisors (150710439).

420402201 is a wasteful number, since it uses less digits than its factorization.

420402201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644095.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 420402201 is about 20503.7118834615. The cubic root of 420402201 is about 749.1262126117.

Adding to 420402201 its reverse (102204024), we get a palindrome (522606225).

The spelling of 420402201 in words is "four hundred twenty million, four hundred two thousand, two hundred one".