20514025 has 12 divisors (see below), whose sum is σ = 29071552. Its totient is φ = 14066640.

The previous prime is 20514023. The next prime is 20514041. The reversal of 20514025 is 52041502.

It is not a de Polignac number, because 20514025 - 2¹ = 20514023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20513993 and 20514011.

It is not an unprimeable number, because it can be changed into a prime (20514023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58437 + ... + 58786.

Almost surely, 2^20514025 is an apocalyptic number.

20514025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20514025 is a deficient number, since it is larger than the sum of its proper divisors (8557527).

20514025 is a wasteful number, since it uses less digits than its factorization.

20514025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117240 (or 117235 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 20514025 is about 4529.2411064107. The cubic root of 20514025 is about 273.7475830844.

Adding to 20514025 its reverse (52041502), we get a palindrome (72555527).

The spelling of 20514025 in words is "twenty million, five hundred fourteen thousand, twenty-five".