20190250 has 16 divisors (see below), whose sum is σ = 37796616. Its totient is φ = 8076000.

The previous prime is 20190241. The next prime is 20190277. The reversal of 20190250 is 5209102.

It can be written as a sum of positive squares in 4 ways, for example, as 3568321 + 16621929 = 1889^2 + 4077^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40131 + ... + 40630.

Almost surely, 2^20190250 is an apocalyptic number.

20190250 is a deficient number, since it is larger than the sum of its proper divisors (17606366).

20190250 is an equidigital number, since it uses as much as digits as its factorization.

20190250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80778 (or 80768 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 20190250 is about 4493.3562066678. The cubic root of 20190250 is about 272.2997434518.

Adding to 20190250 its reverse (5209102), we get a palindrome (25399352).

The spelling of 20190250 in words is "twenty million, one hundred ninety thousand, two hundred fifty".