220020344433 has 12 divisors (see below), whose sum is σ = 322160687940. Its totient is φ = 144670910976.

The previous prime is 220020344431. The next prime is 220020344497. The reversal of 220020344433 is 334443020022.

220020344433 is a `hidden beast` number, since 2 + 20 + 0 + 203 + 4 + 4 + 433 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43862181489 + 176158162944 = 209433^2 + 419712^2 .

It is not a de Polignac number, because 220020344433 - 2¹ = 220020344431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220020344397 and 220020344406.

It is not an unprimeable number, because it can be changed into a prime (220020344431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167442528 + ... + 167443841.

It is an arithmetic number, because the mean of its divisors is an integer number (26846723995).

Almost surely, 2^220020344433 is an apocalyptic number.

It is an amenable number.

220020344433 is a deficient number, since it is larger than the sum of its proper divisors (102140343507).

220020344433 is a wasteful number, since it uses less digits than its factorization.

220020344433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334886448 (or 334886445 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 220020344433 its reverse (334443020022), we get a palindrome (554463364455).

It can be divided in two parts, 220020 and 344433, that added together give a triangular number (564453 = T₁₀₆₂).

The spelling of 220020344433 in words is "two hundred twenty billion, twenty million, three hundred forty-four thousand, four hundred thirty-three".