201203424 has 72 divisors (see below), whose sum is σ = 576648072. Its totient is φ = 66543360.

The previous prime is 201203419. The next prime is 201203459. The reversal of 201203424 is 424302102.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 201203397 and 201203406.

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 11 ways as a sum of consecutive naturals, for example, 35062 + ... + 40394.

It is an arithmetic number, because the mean of its divisors is an integer number (8009001).

Almost surely, 2^201203424 is an apocalyptic number.

201203424 is a gapful number since it is divisible by the number (24) 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 201203424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288324036).

201203424 is an abundant number, since it is smaller than the sum of its proper divisors (375444648).

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

201203424 is a wasteful number, since it uses less digits than its factorization.

201203424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480 (or 5469 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201203424 is about 14184.6192758213. The cubic root of 201203424 is about 585.9741472673.

Adding to 201203424 its reverse (424302102), we get a palindrome (625505526).

The spelling of 201203424 in words is "two hundred one million, two hundred three thousand, four hundred twenty-four".