20214525 has 12 divisors (see below), whose sum is σ = 33421472. Its totient is φ = 10781040.

The previous prime is 20214497. The next prime is 20214527. The reversal of 20214525 is 52541202.

It is a happy number.

It is not a de Polignac number, because 20214525 - 2⁸ = 20214269 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 (20214527) 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, 134689 + ... + 134838.

Almost surely, 2^20214525 is an apocalyptic number.

20214525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20214525 is a deficient number, since it is larger than the sum of its proper divisors (13206947).

20214525 is a wasteful number, since it uses less digits than its factorization.

20214525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269540 (or 269535 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 20214525 is about 4496.0566055155. The cubic root of 20214525 is about 272.4088295852.

Adding to 20214525 its reverse (52541202), we get a palindrome (72755727).

The spelling of 20214525 in words is "twenty million, two hundred fourteen thousand, five hundred twenty-five".