20350370 has 16 divisors (see below), whose sum is σ = 37621368. Its totient is φ = 7920000.

The previous prime is 20350367. The next prime is 20350397. The reversal of 20350370 is 7305302.

It can be written as a sum of positive squares in 4 ways, for example, as 14508481 + 5841889 = 3809^2 + 2417^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27131 + ... + 27870.

Almost surely, 2^20350370 is an apocalyptic number.

20350370 is a deficient number, since it is larger than the sum of its proper divisors (17270998).

20350370 is a wasteful number, since it uses less digits than its factorization.

20350370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55045.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 20350370 is about 4511.1384372462. The cubic root of 20350370 is about 273.0176787739.

Adding to 20350370 its reverse (7305302), we get a palindrome (27655672).

The spelling of 20350370 in words is "twenty million, three hundred fifty thousand, three hundred seventy".