204220134332001 has 40 divisors (see below), whose sum is σ = 323017336584360. Its totient is φ = 128137138278912.

The previous prime is 204220134331991. The next prime is 204220134332033. The reversal of 204220134332001 is 100233431022402.

204220134332001 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 20 + 1 + 3 + 433 + 200 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3819870893601 + 200400263438400 = 1954449^2 + 14156280^2 .

It is not a de Polignac number, because 204220134332001 - 2¹³ = 204220134323809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (204220134332051) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 205665015 + ... + 206655603.

It is an arithmetic number, because the mean of its divisors is an integer number (8075433414609).

Almost surely, 2^{204220134332001} is an apocalyptic number.

It is an amenable number.

204220134332001 is a deficient number, since it is larger than the sum of its proper divisors (118797202252359).

204220134332001 is a wasteful number, since it uses less digits than its factorization.

204220134332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140335 (or 1140326 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 204220134332001 its reverse (100233431022402), we get a palindrome (304453565354403).

The spelling of 204220134332001 in words is "two hundred four trillion, two hundred twenty billion, one hundred thirty-four million, three hundred thirty-two thousand, one".