20503414 has 8 divisors (see below), whose sum is σ = 30789360. Its totient is φ = 10240296.

The previous prime is 20503409. The next prime is 20503429. The reversal of 20503414 is 41430502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20503391 and 20503400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (3848670).

Almost surely, 2^20503414 is an apocalyptic number.

20503414 is a deficient number, since it is larger than the sum of its proper divisors (10285946).

20503414 is a wasteful number, since it uses less digits than its factorization.

20503414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11414.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20503414 is about 4528.0695666034. The cubic root of 20503414 is about 273.7003757619.

Adding to 20503414 its reverse (41430502), we get a palindrome (61933916).

The spelling of 20503414 in words is "twenty million, five hundred three thousand, four hundred fourteen".