20240025 has 24 divisors (see below), whose sum is σ = 36039360. Its totient is φ = 9963840.

The previous prime is 20240021. The next prime is 20240071. The reversal of 20240025 is 52004202.

It is not a de Polignac number, because 20240025 - 2² = 20240021 is a prime.

It is a super-2 number, since 2×20240025² = 819317224001250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20239986 and 20240013.

It is not an unprimeable number, because it can be changed into a prime (20240021) 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 23 ways as a sum of consecutive naturals, for example, 9405 + ... + 11354.

It is an arithmetic number, because the mean of its divisors is an integer number (1501640).

Almost surely, 2^20240025 is an apocalyptic number.

20240025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20240025 is a deficient number, since it is larger than the sum of its proper divisors (15799335).

20240025 is a wasteful number, since it uses less digits than its factorization.

20240025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20785 (or 20780 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 20240025 is about 4498.8915301438. The cubic root of 20240025 is about 272.5233265670.

Adding to 20240025 its reverse (52004202), we get a palindrome (72244227).

The spelling of 20240025 in words is "twenty million, two hundred forty thousand, twenty-five".