20061606322 has 16 divisors (see below), whose sum is σ = 30668126040. Its totient is φ = 9838995712.

The previous prime is 20061606287. The next prime is 20061606329. The reversal of 20061606322 is 22360616002.

It is a happy number.

It is a Cunningham number, because it is equal to 141639²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 20061606321 + 1 = 141639^2 + 1^2 .

It is not an unprimeable number, because it can be changed into a prime (20061606329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425898 + ... + 470650.

Almost surely, 2^20061606322 is an apocalyptic number.

20061606322 is a deficient number, since it is larger than the sum of its proper divisors (10606519718).

20061606322 is a wasteful number, since it uses less digits than its factorization.

20061606322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49037.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20061606322 in words is "twenty billion, sixty-one million, six hundred six thousand, three hundred twenty-two".