20243476 has 12 divisors (see below), whose sum is σ = 38646720. Its totient is φ = 9201560.

The previous prime is 20243471. The next prime is 20243501. The reversal of 20243476 is 67434202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229996 + ... + 230083.

It is an arithmetic number, because the mean of its divisors is an integer number (3220560).

Almost surely, 2^20243476 is an apocalyptic number.

It is an amenable number.

20243476 is a deficient number, since it is larger than the sum of its proper divisors (18403244).

20243476 is a wasteful number, since it uses less digits than its factorization.

20243476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460094 (or 460092 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 20243476 is about 4499.2750527168. The cubic root of 20243476 is about 272.5388144357.

Adding to 20243476 its reverse (67434202), we get a palindrome (87677678).

The spelling of 20243476 in words is "twenty million, two hundred forty-three thousand, four hundred seventy-six".