20010025 has 12 divisors (see below), whose sum is σ = 28357312. Its totient is φ = 13721040.

The previous prime is 20010017. The next prime is 20010041. The reversal of 20010025 is 52001002.

It is not a de Polignac number, because 20010025 - 2³ = 20010017 is a prime.

It is a super-2 number, since 2×20010025² = 800802201001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20009993 and 20010020.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56997 + ... + 57346.

Almost surely, 2^20010025 is an apocalyptic number.

20010025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20010025 is a deficient number, since it is larger than the sum of its proper divisors (8347287).

20010025 is a wasteful number, since it uses less digits than its factorization.

20010025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114360 (or 114355 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 20010025 is about 4473.2566436546. The cubic root of 20010025 is about 271.4871074781.

Adding to 20010025 its reverse (52001002), we get a palindrome (72011027).

The spelling of 20010025 in words is "twenty million, ten thousand, twenty-five".