201433220405 has 16 divisors (see below), whose sum is σ = 257066187840. Its totient is φ = 150999213312.

The previous prime is 201433220399. The next prime is 201433220407. The reversal of 201433220405 is 504022334102.

It is a cyclic number.

It is not a de Polignac number, because 201433220405 - 2¹⁶ = 201433154869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201433220407) 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, 5200535 + ... + 5239124.

It is an arithmetic number, because the mean of its divisors is an integer number (16066636740).

Almost surely, 2^201433220405 is an apocalyptic number.

It is an amenable number.

201433220405 is a deficient number, since it is larger than the sum of its proper divisors (55632967435).

201433220405 is a wasteful number, since it uses less digits than its factorization.

201433220405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10439908.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 201433220405 its reverse (504022334102), we get a palindrome (705455554507).

The spelling of 201433220405 in words is "two hundred one billion, four hundred thirty-three million, two hundred twenty thousand, four hundred five".