201433553152 has 72 divisors (see below), whose sum is σ = 434807958200. Its totient is φ = 92583198720.

The previous prime is 201433553089. The next prime is 201433553161. The reversal of 201433553152 is 251355334102.

It can be written as a sum of positive squares in 4 ways, for example, as 53534853376 + 147898699776 = 231376^2 + 384576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676474 + ... + 927622.

Almost surely, 2^201433553152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201433553152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217403979100).

201433553152 is an abundant number, since it is smaller than the sum of its proper divisors (233374405048).

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

201433553152 is a wasteful number, since it uses less digits than its factorization.

201433553152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251419 (or 251405 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 201433553152 its reverse (251355334102), we get a palindrome (452788887254).

The spelling of 201433553152 in words is "two hundred one billion, four hundred thirty-three million, five hundred fifty-three thousand, one hundred fifty-two".