20025250 has 32 divisors (see below), whose sum is σ = 42846336. Its totient is φ = 6865200.

The previous prime is 20025241. The next prime is 20025253. The reversal of 20025250 is 5252002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972 + ... + 7471.

It is an arithmetic number, because the mean of its divisors is an integer number (1338948).

Almost surely, 2^20025250 is an apocalyptic number.

20025250 is an abundant number, since it is smaller than the sum of its proper divisors (22821086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20025250 is a wasteful number, since it uses less digits than its factorization.

20025250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11467 (or 11457 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 20025250 is about 4474.9581003625. The cubic root of 20025250 is about 271.5559453620. Note that the first 3 decimals are identical.

Adding to 20025250 its reverse (5252002), we get a palindrome (25277252).

The spelling of 20025250 in words is "twenty million, twenty-five thousand, two hundred fifty".