20065250 has 32 divisors (see below), whose sum is σ = 38054016. Its totient is φ = 7921200.

The previous prime is 20065249. The next prime is 20065259. The reversal of 20065250 is 5256002.

It is a happy number.

It is a super-2 number, since 2×20065250² = 805228515125000, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20065259) 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, 20267 + ... + 21233.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 2^20065250 is an apocalyptic number.

20065250 is a deficient number, since it is larger than the sum of its proper divisors (17988766).

20065250 is an equidigital number, since it uses as much as digits as its factorization.

20065250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 20065250 is about 4479.4251863381. The cubic root of 20065250 is about 271.7366341336.

The spelling of 20065250 in words is "twenty million, sixty-five thousand, two hundred fifty".