20012322 has 16 divisors (see below), whose sum is σ = 43663392. Its totient is φ = 6064320.

The previous prime is 20012303. The next prime is 20012341. The reversal of 20012322 is 22321002.

It is an interprime number because it is at equal distance from previous prime (20012303) and next prime (20012341).

It is a junction number, because it is equal to n+sod(n) for n = 20012298 and 20012307.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151543 + ... + 151674.

It is an arithmetic number, because the mean of its divisors is an integer number (2728962).

Almost surely, 2^20012322 is an apocalyptic number.

20012322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012322 is an abundant number, since it is smaller than the sum of its proper divisors (23651070).

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

20012322 is a wasteful number, since it uses less digits than its factorization.

20012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303233.

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

The square root of 20012322 is about 4473.5133843546. The cubic root of 20012322 is about 271.4974953050.

Adding to 20012322 its reverse (22321002), we get a palindrome (42333324).

The spelling of 20012322 in words is "twenty million, twelve thousand, three hundred twenty-two".