20212320322 has 4 divisors (see below), whose sum is σ = 30318480486. Its totient is φ = 10106160160.

The previous prime is 20212320319. The next prime is 20212320353. The reversal of 20212320322 is 22302321202.

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., 16353550161 + 3858770161 = 127881^2 + 62119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20212320322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5053080079 + ... + 5053080082.

Almost surely, 2^20212320322 is an apocalyptic number.

20212320322 is a deficient number, since it is larger than the sum of its proper divisors (10106160164).

20212320322 is a wasteful number, since it uses less digits than its factorization.

20212320322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106160163.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20212320322 its reverse (22302321202), we get a palindrome (42514641524).

The spelling of 20212320322 in words is "twenty billion, two hundred twelve million, three hundred twenty thousand, three hundred twenty-two".