20120322 has 32 divisors (see below), whose sum is σ = 41094144. Its totient is φ = 6566400.

The previous prime is 20120281. The next prime is 20120323. The reversal of 20120322 is 22302102.

It is a junction number, because it is equal to n+sod(n) for n = 20120298 and 20120307.

It is not an unprimeable number, because it can be changed into a prime (20120323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105247 + ... + 105437.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^20120322 is an apocalyptic number.

20120322 is an abundant number, since it is smaller than the sum of its proper divisors (20973822).

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

20120322 is a wasteful number, since it uses less digits than its factorization.

20120322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20120322 is about 4485.5681914335. The cubic root of 20120322 is about 271.9850139523.

Adding to 20120322 its reverse (22302102), we get a palindrome (42422424).

The spelling of 20120322 in words is "twenty million, one hundred twenty thousand, three hundred twenty-two".