20522050 has 24 divisors (see below), whose sum is σ = 39206196. Its totient is φ = 7986240.

The previous prime is 20522041. The next prime is 20522059. The reversal of 20522050 is 5022502.

It is an interprime number because it is at equal distance from previous prime (20522041) and next prime (20522059).

It can be written as a sum of positive squares in 6 ways, for example, as 15499969 + 5022081 = 3937^2 + 2241^2 .

It is not an unprimeable number, because it can be changed into a prime (20522059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3697 + ... + 7396.

Almost surely, 2^20522050 is an apocalyptic number.

20522050 is a deficient number, since it is larger than the sum of its proper divisors (18684146).

20522050 is a wasteful number, since it uses less digits than its factorization.

20522050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142 (or 11137 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 20522050 is about 4530.1269297891. The cubic root of 20522050 is about 273.7832747304.

Adding to 20522050 its reverse (5022502), we get a palindrome (25544552).

The spelling of 20522050 in words is "twenty million, five hundred twenty-two thousand, fifty".