20338476 has 24 divisors (see below), whose sum is σ = 47589360. Its totient is φ = 6760512.

The previous prime is 20338469. The next prime is 20338481. The reversal of 20338476 is 67483302.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2490 + ... + 6846.

It is an arithmetic number, because the mean of its divisors is an integer number (1982890).

Almost surely, 2^20338476 is an apocalyptic number.

It is an amenable number.

20338476 is an abundant number, since it is smaller than the sum of its proper divisors (27250884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20338476 is a wasteful number, since it uses less digits than its factorization.

20338476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 20338476 is about 4509.8199520602. The cubic root of 20338476 is about 272.9644790023.

The spelling of 20338476 in words is "twenty million, three hundred thirty-eight thousand, four hundred seventy-six".