201011230 has 96 divisors (see below), whose sum is σ = 454312800. Its totient is φ = 63608832.

The previous prime is 201011219. The next prime is 201011231. The reversal of 201011230 is 32110102.

It is a super-2 number, since 2×201011230² = 80811029172225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491266 + ... + 491674.

It is an arithmetic number, because the mean of its divisors is an integer number (4732425).

Almost surely, 2^201011230 is an apocalyptic number.

201011230 is an abundant number, since it is smaller than the sum of its proper divisors (253301570).

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

201011230 is a wasteful number, since it uses less digits than its factorization.

201011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 201011230 is about 14177.8429247894. The cubic root of 201011230 is about 585.7875093011.

Adding to 201011230 its reverse (32110102), we get a palindrome (233121332).

The spelling of 201011230 in words is "two hundred one million, eleven thousand, two hundred thirty".