201240210 has 32 divisors (see below), whose sum is σ = 508397760. Its totient is φ = 50839488.

The previous prime is 201240197. The next prime is 201240211. The reversal of 201240210 is 12042102.

It is not an unprimeable number, because it can be changed into a prime (201240211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175957 + ... + 177096.

It is an arithmetic number, because the mean of its divisors is an integer number (15887430).

Almost surely, 2^201240210 is an apocalyptic number.

201240210 is an abundant number, since it is smaller than the sum of its proper divisors (307157550).

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

201240210 is a wasteful number, since it uses less digits than its factorization.

201240210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353082.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201240210 is about 14185.9159027537. The cubic root of 201240210 is about 586.0098562876.

Adding to 201240210 its reverse (12042102), we get a palindrome (213282312).

The spelling of 201240210 in words is "two hundred one million, two hundred forty thousand, two hundred ten".