20025822 has 8 divisors (see below), whose sum is σ = 40051656. Its totient is φ = 6675272.

The previous prime is 20025787. The next prime is 20025823. The reversal of 20025822 is 22852002.

It is a sphenic number, since it is the product of 3 distinct primes.

20025822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668813 + ... + 1668824.

It is an arithmetic number, because the mean of its divisors is an integer number (5006457).

Almost surely, 2^20025822 is an apocalyptic number.

20025822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20025822 is a wasteful number, since it uses less digits than its factorization.

20025822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337642.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 20025822 is about 4475.0220111191. The cubic root of 20025822 is about 271.5585309065.

Adding to 20025822 its reverse (22852002), we get a palindrome (42877824).

The spelling of 20025822 in words is "twenty million, twenty-five thousand, eight hundred twenty-two".