20524422 has 16 divisors (see below), whose sum is σ = 41095152. Its totient is φ = 6833760.

The previous prime is 20524421. The next prime is 20524429. The reversal of 20524422 is 22442502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524421) 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, 7048 + ... + 9524.

It is an arithmetic number, because the mean of its divisors is an integer number (2568447).

Almost surely, 2^20524422 is an apocalyptic number.

20524422 is an abundant number, since it is smaller than the sum of its proper divisors (20570730).

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

20524422 is a wasteful number, since it uses less digits than its factorization.

20524422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 20524422 is about 4530.3887250434. The cubic root of 20524422 is about 273.7938225543.

Adding to 20524422 its reverse (22442502), we get a palindrome (42966924).

The spelling of 20524422 in words is "twenty million, five hundred twenty-four thousand, four hundred twenty-two".