20775556322 has 8 divisors (see below), whose sum is σ = 31226805072. Its totient is φ = 10366621300.

The previous prime is 20775556309. The next prime is 20775556349. The reversal of 20775556322 is 22365557702.

It is a happy number.

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

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, 10577204 + ... + 10579167.

It is an arithmetic number, because the mean of its divisors is an integer number (3903350634).

Almost surely, 2^20775556322 is an apocalyptic number.

20775556322 is a deficient number, since it is larger than the sum of its proper divisors (10451248750).

20775556322 is a wasteful number, since it uses less digits than its factorization.

20775556322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21156864.

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 20775556322 in words is "twenty billion, seven hundred seventy-five million, five hundred fifty-six thousand, three hundred twenty-two".