20068222337 has 4 divisors (see below), whose sum is σ = 20069533140. Its totient is φ = 20066911536.

The previous prime is 20068222331. The next prime is 20068222379. The reversal of 20068222337 is 73322286002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5790601216 + 14277621121 = 76096^2 + 119489^2 .

It is a cyclic number.

It is not a de Polignac number, because 20068222337 - 2¹⁸ = 20067960193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20068222297 and 20068222306.

It is not an unprimeable number, because it can be changed into a prime (20068222331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632162 + ... + 663147.

It is an arithmetic number, because the mean of its divisors is an integer number (5017383285).

Almost surely, 2^20068222337 is an apocalyptic number.

It is an amenable number.

20068222337 is a deficient number, since it is larger than the sum of its proper divisors (1310803).

20068222337 is a wasteful number, since it uses less digits than its factorization.

20068222337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310802.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 20068222337 in words is "twenty billion, sixty-eight million, two hundred twenty-two thousand, three hundred thirty-seven".