20050525 has 12 divisors (see below), whose sum is σ = 27123264. Its totient is φ = 14582000.

The previous prime is 20050523. The next prime is 20050561. The reversal of 20050525 is 52505002.

It is not a de Polignac number, because 20050525 - 2¹ = 20050523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050523) 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, 36181 + ... + 36730.

It is an arithmetic number, because the mean of its divisors is an integer number (2260272).

Almost surely, 2^20050525 is an apocalyptic number.

20050525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20050525 is a deficient number, since it is larger than the sum of its proper divisors (7072739).

20050525 is a wasteful number, since it uses less digits than its factorization.

20050525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72932 (or 72927 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 20050525 is about 4477.7812586146. The cubic root of 20050525 is about 271.6701460321.

Adding to 20050525 its reverse (52505002), we get a palindrome (72555527).

The spelling of 20050525 in words is "twenty million, fifty thousand, five hundred twenty-five".