20525322 has 16 divisors (see below), whose sum is σ = 41176512. Its totient is φ = 6820800.

The previous prime is 20525311. The next prime is 20525347. The reversal of 20525322 is 22352502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3054 + ... + 7097.

It is an arithmetic number, because the mean of its divisors is an integer number (2573532).

Almost surely, 2^20525322 is an apocalyptic number.

20525322 is an abundant number, since it is smaller than the sum of its proper divisors (20651190).

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

20525322 is a wasteful number, since it uses less digits than its factorization.

20525322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10493.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20525322 is about 4530.4880531793. The cubic root of 20525322 is about 273.7978244670.

Adding to 20525322 its reverse (22352502), we get a palindrome (42877824).

The spelling of 20525322 in words is "twenty million, five hundred twenty-five thousand, three hundred twenty-two".