20301825 has 24 divisors (see below), whose sum is σ = 35542368. Its totient is φ = 10190080.

The previous prime is 20301821. The next prime is 20301829. The reversal of 20301825 is 52810302.

It is an interprime number because it is at equal distance from previous prime (20301821) and next prime (20301829).

It is not a de Polignac number, because 20301825 - 2² = 20301821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20301821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6687 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (1480932).

Almost surely, 2^20301825 is an apocalyptic number.

20301825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20301825 is a deficient number, since it is larger than the sum of its proper divisors (15240543).

20301825 is a wasteful number, since it uses less digits than its factorization.

20301825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15953 (or 15948 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20301825 is about 4505.7546537733. The cubic root of 20301825 is about 272.8004149783.

The spelling of 20301825 in words is "twenty million, three hundred one thousand, eight hundred twenty-five".