201420607 has 4 divisors (see below), whose sum is σ = 213268896. Its totient is φ = 189572320.

The previous prime is 201420599. The next prime is 201420619. The reversal of 201420607 is 706024102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201420607 - 2³ = 201420599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5924119 + ... + 5924152.

It is an arithmetic number, because the mean of its divisors is an integer number (53317224).

Almost surely, 2^201420607 is an apocalyptic number.

201420607 is a deficient number, since it is larger than the sum of its proper divisors (11848289).

201420607 is a wasteful number, since it uses less digits than its factorization.

201420607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11848288.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 201420607 is about 14192.2727919104. The cubic root of 201420607 is about 586.1849088568.

Adding to 201420607 its reverse (706024102), we get a palindrome (907444709).

The spelling of 201420607 in words is "two hundred one million, four hundred twenty thousand, six hundred seven".