20350485 has 12 divisors (see below), whose sum is σ = 35274252. Its totient is φ = 10853568.

The previous prime is 20350471. The next prime is 20350487. The reversal of 20350485 is 58405302.

It can be written as a sum of positive squares in 2 ways, for example, as 5673924 + 14676561 = 2382^2 + 3831^2 .

It is not a de Polignac number, because 20350485 - 2¹⁴ = 20334101 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20350487) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 226072 + ... + 226161.

It is an arithmetic number, because the mean of its divisors is an integer number (2939521).

Almost surely, 2^20350485 is an apocalyptic number.

It is an amenable number.

20350485 is a deficient number, since it is larger than the sum of its proper divisors (14923767).

20350485 is a wasteful number, since it uses less digits than its factorization.

20350485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452244 (or 452241 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 20350485 is about 4511.1511834564. The cubic root of 20350485 is about 273.0181930475.

Adding to 20350485 its reverse (58405302), we get a palindrome (78755787).

The spelling of 20350485 in words is "twenty million, three hundred fifty thousand, four hundred eighty-five".