201200420 has 24 divisors (see below), whose sum is σ = 431512704. Its totient is φ = 78767456.

The previous prime is 201200381. The next prime is 201200429. The reversal of 201200420 is 24002102.

It is not an unprimeable number, because it can be changed into a prime (201200429) 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, 106082 + ... + 107961.

It is an arithmetic number, because the mean of its divisors is an integer number (17979696).

Almost surely, 2^201200420 is an apocalyptic number.

201200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200420 is an abundant number, since it is smaller than the sum of its proper divisors (230312284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201200420 is a wasteful number, since it uses less digits than its factorization.

201200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214099 (or 214097 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 201200420 is about 14184.5133860841. The cubic root of 201200420 is about 585.9712310229.

Adding to 201200420 its reverse (24002102), we get a palindrome (225202522).

The spelling of 201200420 in words is "two hundred one million, two hundred thousand, four hundred twenty".