201214530 has 120 divisors (see below), whose sum is σ = 594990396. Its totient is φ = 48755520.

The previous prime is 201214513. The next prime is 201214537. The reversal of 201214530 is 35412102.

It can be written as a sum of positive squares in 2 ways, for example, as 200420649 + 793881 = 14157^2 + 891^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201214537) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 96984 + ... + 99036.

Almost surely, 2^201214530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201214530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297495198).

201214530 is an abundant number, since it is smaller than the sum of its proper divisors (393775866).

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

201214530 is a wasteful number, since it uses less digits than its factorization.

201214530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201214530 is about 14185.0107507890. The cubic root of 201214530 is about 585.9849285768.

Adding to 201214530 its reverse (35412102), we get a palindrome (236626632).

The spelling of 201214530 in words is "two hundred one million, two hundred fourteen thousand, five hundred thirty".