20212322 has 32 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 8971200.

The previous prime is 20212319. The next prime is 20212327. The reversal of 20212322 is 22321202.

It is a junction number, because it is equal to n+sod(n) for n = 20212297 and 20212306.

It is not an unprimeable number, because it can be changed into a prime (20212327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112829 + ... + 113007.

It is an arithmetic number, because the mean of its divisors is an integer number (1060290).

Almost surely, 2^20212322 is an apocalyptic number.

20212322 is a deficient number, since it is larger than the sum of its proper divisors (13716958).

20212322 is a wasteful number, since it uses less digits than its factorization.

20212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20212322 is about 4495.8116063732. The cubic root of 20212322 is about 272.3989334263.

Adding to 20212322 its reverse (22321202), we get a palindrome (42533524).

The spelling of 20212322 in words is "twenty million, two hundred twelve thousand, three hundred twenty-two".