20011020322 has 4 divisors (see below), whose sum is σ = 30016530486. Its totient is φ = 10005510160.

The previous prime is 20011020301. The next prime is 20011020371. The reversal of 20011020322 is 22302011002.

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

It can be written as a sum of positive squares in only one way, i.e., 11090406721 + 8920613601 = 105311^2 + 94449^2 .

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 as a sum of consecutive naturals, namely, 5002755079 + ... + 5002755082.

Almost surely, 2^20011020322 is an apocalyptic number.

20011020322 is a deficient number, since it is larger than the sum of its proper divisors (10005510164).

20011020322 is a wasteful number, since it uses less digits than its factorization.

20011020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005510163.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20011020322 its reverse (22302011002), we get a palindrome (42313031324).

The spelling of 20011020322 in words is "twenty billion, eleven million, twenty thousand, three hundred twenty-two".