20350144 has 14 divisors (see below), whose sum is σ = 40382444. Its totient is φ = 10175040.

The previous prime is 20350129. The next prime is 20350171. The reversal of 20350144 is 44105302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158922 + ... + 159049.

Almost surely, 2^20350144 is an apocalyptic number.

It is an amenable number.

20350144 is a deficient number, since it is larger than the sum of its proper divisors (20032300).

20350144 is an equidigital number, since it uses as much as digits as its factorization.

20350144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317983 (or 317973 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20350144 is about 4511.1133880673. The cubic root of 20350144 is about 273.0166681089.

Adding to 20350144 its reverse (44105302), we get a palindrome (64455446).

The spelling of 20350144 in words is "twenty million, three hundred fifty thousand, one hundred forty-four".