20280323282 has 8 divisors (see below), whose sum is σ = 30441717756. Its totient is φ = 10133084032.

The previous prime is 20280323269. The next prime is 20280323317. The reversal of 20280323282 is 28232308202.

It is a Cunningham number, because it is equal to 142409²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 20280323281 + 1 = 142409^2 + 1^2 .

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

It is a super-2 number, since 2×20280323282² (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, 3535223 + ... + 3540954.

Almost surely, 2^20280323282 is an apocalyptic number.

20280323282 is a deficient number, since it is larger than the sum of its proper divisors (10161394474).

20280323282 is a wasteful number, since it uses less digits than its factorization.

20280323282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077612.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 20280323282 in words is "twenty billion, two hundred eighty million, three hundred twenty-three thousand, two hundred eighty-two".