201106720 has 24 divisors (see below), whose sum is σ = 475115004. Its totient is φ = 80442624.

The previous prime is 201106693. The next prime is 201106721. The reversal of 201106720 is 27601102.

201106720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192321424 + 8785296 = 13868^2 + 2964^2 .

It is not an unprimeable number, because it can be changed into a prime (201106721) 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, 628299 + ... + 628618.

Almost surely, 2^201106720 is an apocalyptic number.

201106720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201106720 is an abundant number, since it is smaller than the sum of its proper divisors (274008284).

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

201106720 is a wasteful number, since it uses less digits than its factorization.

201106720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256932 (or 1256924 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 201106720 is about 14181.2101035137. The cubic root of 201106720 is about 585.8802536949.

Adding to 201106720 its reverse (27601102), we get a palindrome (228707822).

The spelling of 201106720 in words is "two hundred one million, one hundred six thousand, seven hundred twenty".