20471050 has 24 divisors (see below), whose sum is σ = 38208492. Its totient is φ = 8160000.

The previous prime is 20471047. The next prime is 20471057. The reversal of 20471050 is 5017402.

It can be written as a sum of positive squares in 6 ways, for example, as 15000129 + 5470921 = 3873^2 + 2339^2 .

It is not an unprimeable number, because it can be changed into a prime (20471057) 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, 19540 + ... + 20560.

Almost surely, 2^20471050 is an apocalyptic number.

20471050 is a deficient number, since it is larger than the sum of its proper divisors (17737442).

20471050 is a wasteful number, since it uses less digits than its factorization.

20471050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20471050 is about 4524.4944468968. The cubic root of 20471050 is about 273.5562907530.

Adding to 20471050 its reverse (5017402), we get a palindrome (25488452).

The spelling of 20471050 in words is "twenty million, four hundred seventy-one thousand, fifty".