420201273 has 8 divisors (see below), whose sum is σ = 561607200. Its totient is φ = 279464768.

The previous prime is 420201269. The next prime is 420201277. The reversal of 420201273 is 372102024.

It is an interprime number because it is at equal distance from previous prime (420201269) and next prime (420201277).

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

It is a cyclic number.

It is not a de Polignac number, because 420201273 - 2² = 420201269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420201277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165888 + ... + 168401.

It is an arithmetic number, because the mean of its divisors is an integer number (70200900).

Almost surely, 2^420201273 is an apocalyptic number.

It is an amenable number.

420201273 is a deficient number, since it is larger than the sum of its proper divisors (141405927).

420201273 is a wasteful number, since it uses less digits than its factorization.

420201273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334711.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 420201273 is about 20498.8115021335. The cubic root of 420201273 is about 749.0068472217.

Adding to 420201273 its reverse (372102024), we get a palindrome (792303297).

The spelling of 420201273 in words is "four hundred twenty million, two hundred one thousand, two hundred seventy-three".