20000474 has 24 divisors (see below), whose sum is σ = 33203520. Its totient is φ = 9027408.

The previous prime is 20000471. The next prime is 20000503. The reversal of 20000474 is 47400002.

It is not an unprimeable number, because it can be changed into a prime (20000471) 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 11 ways as a sum of consecutive naturals, for example, 15257 + ... + 16515.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 2^20000474 is an apocalyptic number.

20000474 is a deficient number, since it is larger than the sum of its proper divisors (13203046).

20000474 is a wasteful number, since it uses less digits than its factorization.

20000474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 20000474 is about 4472.1889494967. The cubic root of 20000474 is about 271.4439060325.

Adding to 20000474 its reverse (47400002), we get a palindrome (67400476).

The spelling of 20000474 in words is "twenty million, four hundred seventy-four", and thus it is an aban number.