201223040 has 96 divisors (see below), whose sum is σ = 495995400. Its totient is φ = 78041088.

The previous prime is 201223031. The next prime is 201223051. The reversal of 201223040 is 40322102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2756444 + ... + 2756516.

Almost surely, 2^201223040 is an apocalyptic number.

201223040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247997700).

201223040 is an abundant number, since it is smaller than the sum of its proper divisors (294772360).

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

201223040 is an frugal number, since it uses more digits than its factorization.

201223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 201223040 is about 14185.3107121416. The cubic root of 201223040 is about 585.9931895134.

Adding to 201223040 its reverse (40322102), we get a palindrome (241545142).

It can be divided in two parts, 2012 and 23040, that added together give a palindrome (25052).

The spelling of 201223040 in words is "two hundred one million, two hundred twenty-three thousand, forty".