20514525 has 12 divisors (see below), whose sum is σ = 33917472. Its totient is φ = 10941040.

The previous prime is 20514523. The next prime is 20514541. The reversal of 20514525 is 52541502.

It is a happy number.

It is not a de Polignac number, because 20514525 - 2¹ = 20514523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20514495 and 20514504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514521) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 136689 + ... + 136838.

It is an arithmetic number, because the mean of its divisors is an integer number (2826456).

Almost surely, 2^20514525 is an apocalyptic number.

20514525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20514525 is a deficient number, since it is larger than the sum of its proper divisors (13402947).

20514525 is a wasteful number, since it uses less digits than its factorization.

20514525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273540 (or 273535 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 20514525 is about 4529.2963029592. The cubic root of 20514525 is about 273.7498071348.

The spelling of 20514525 in words is "twenty million, five hundred fourteen thousand, five hundred twenty-five".