20244525 has 24 divisors (see below), whose sum is σ = 38253504. Its totient is φ = 9254400.

The previous prime is 20244517. The next prime is 20244533. The reversal of 20244525 is 52544202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20244517) and next prime (20244533).

It is not a de Polignac number, because 20244525 - 2³ = 20244517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20244495 and 20244504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18756 + ... + 19805.

It is an arithmetic number, because the mean of its divisors is an integer number (1593896).

Almost surely, 2^20244525 is an apocalyptic number.

20244525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20244525 is a deficient number, since it is larger than the sum of its proper divisors (18008979).

20244525 is a wasteful number, since it uses less digits than its factorization.

20244525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38581 (or 38576 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 20244525 is about 4499.3916255423. The cubic root of 20244525 is about 272.5435219322.

Adding to 20244525 its reverse (52544202), we get a palindrome (72788727).

The spelling of 20244525 in words is "twenty million, two hundred forty-four thousand, five hundred twenty-five".