201202040 has 32 divisors (see below), whose sum is σ = 487529280. Its totient is φ = 74289792.

The previous prime is 201202013. The next prime is 201202061. The reversal of 201202040 is 40202102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192944 + ... + 193983.

It is an arithmetic number, because the mean of its divisors is an integer number (15235290).

Almost surely, 2^201202040 is an apocalyptic number.

201202040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202040 is an abundant number, since it is smaller than the sum of its proper divisors (286327240).

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

201202040 is a wasteful number, since it uses less digits than its factorization.

201202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386951 (or 386947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 201202040 is about 14184.5704905013. The cubic root of 201202040 is about 585.9728037016.

Adding to 201202040 its reverse (40202102), we get a palindrome (241404142).

The spelling of 201202040 in words is "two hundred one million, two hundred two thousand, forty".