20012025 has 48 divisors (see below), whose sum is σ = 36569088. Its totient is φ = 9576000.

The previous prime is 20012023. The next prime is 20012053. The reversal of 20012025 is 52021002.

It is not a de Polignac number, because 20012025 - 2¹ = 20012023 is a prime.

It is a super-3 number, since 3×20012025³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20012025.

It is not an unprimeable number, because it can be changed into a prime (20012023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104680 + ... + 104870.

It is an arithmetic number, because the mean of its divisors is an integer number (761856).

Almost surely, 2^20012025 is an apocalyptic number.

20012025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20012025 is a deficient number, since it is larger than the sum of its proper divisors (16557063).

20012025 is a wasteful number, since it uses less digits than its factorization.

20012025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20012025 is about 4473.4801888463. The cubic root of 20012025 is about 271.4961522132.

Adding to 20012025 its reverse (52021002), we get a palindrome (72033027).

The spelling of 20012025 in words is "twenty million, twelve thousand, twenty-five".