20300590 has 16 divisors (see below), whose sum is σ = 37231488. Its totient is φ = 7966816.

The previous prime is 20300573. The next prime is 20300593. The reversal of 20300590 is 9500302.

It is a super-2 number, since 2×20300590² = 824227908696200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300593) 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, 18622 + ... + 19681.

It is an arithmetic number, because the mean of its divisors is an integer number (2326968).

Almost surely, 2^20300590 is an apocalyptic number.

20300590 is a deficient number, since it is larger than the sum of its proper divisors (16930898).

20300590 is a wasteful number, since it uses less digits than its factorization.

20300590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38363.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 20300590 is about 4505.6176047241. The cubic root of 20300590 is about 272.7948832040.

Adding to 20300590 its reverse (9500302), we get a palindrome (29800892).

The spelling of 20300590 in words is "twenty million, three hundred thousand, five hundred ninety".