20051322 has 16 divisors (see below), whose sum is σ = 40154400. Its totient is φ = 6675152.

The previous prime is 20051309. The next prime is 20051329. The reversal of 20051322 is 22315002.

It is not an unprimeable number, because it can be changed into a prime (20051329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4429 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (2509650).

Almost surely, 2^20051322 is an apocalyptic number.

20051322 is an abundant number, since it is smaller than the sum of its proper divisors (20103078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20051322 is a wasteful number, since it uses less digits than its factorization.

20051322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20051322 is about 4477.8702526983. The cubic root of 20051322 is about 271.6737455761.

Adding to 20051322 its reverse (22315002), we get a palindrome (42366324).

The spelling of 20051322 in words is "twenty million, fifty-one thousand, three hundred twenty-two".