20522095 has 16 divisors (see below), whose sum is σ = 28035072. Its totient is φ = 14275360.

The previous prime is 20522083. The next prime is 20522113. The reversal of 20522095 is 59022502.

20522095 = 511² + 512² + ... + 579².

It is not a de Polignac number, because 20522095 - 2⁷ = 20521967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6847 + ... + 9376.

It is an arithmetic number, because the mean of its divisors is an integer number (1752192).

Almost surely, 2^20522095 is an apocalyptic number.

20522095 is a deficient number, since it is larger than the sum of its proper divisors (7512977).

20522095 is a wasteful number, since it uses less digits than its factorization.

20522095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 20522095 is about 4530.1318965346. The cubic root of 20522095 is about 273.7834748442.

Adding to 20522095 its reverse (59022502), we get a palindrome (79544597).

The spelling of 20522095 in words is "twenty million, five hundred twenty-two thousand, ninety-five".