20260190 has 16 divisors (see below), whose sum is σ = 36655200. Its totient is φ = 8062560.

The previous prime is 20260189. The next prime is 20260193. The reversal of 20260190 is 9106202.

It is a super-2 number, since 2×20260190² = 820950597672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20260193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3101 + ... + 7080.

It is an arithmetic number, because the mean of its divisors is an integer number (2290950).

Almost surely, 2^20260190 is an apocalyptic number.

20260190 is a deficient number, since it is larger than the sum of its proper divisors (16395010).

20260190 is a wasteful number, since it uses less digits than its factorization.

20260190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10387.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20260190 is about 4501.1320798217. The cubic root of 20260190 is about 272.6138009096.

Adding to 20260190 its reverse (9106202), we get a palindrome (29366392).

The spelling of 20260190 in words is "twenty million, two hundred sixty thousand, one hundred ninety".