20357716322 has 8 divisors (see below), whose sum is σ = 31589559900. Its totient is φ = 9827863024.

The previous prime is 20357716279. The next prime is 20357716339. The reversal of 20357716322 is 22361775302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19999333561 + 358382761 = 141419^2 + 18931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20357716322² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175497497 + ... + 175497612.

Almost surely, 2^20357716322 is an apocalyptic number.

20357716322 is a deficient number, since it is larger than the sum of its proper divisors (11231843578).

20357716322 is a wasteful number, since it uses less digits than its factorization.

20357716322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350995140.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 20357716322 in words is "twenty billion, three hundred fifty-seven million, seven hundred sixteen thousand, three hundred twenty-two".