20054403 has 12 divisors (see below), whose sum is σ = 29117088. Its totient is φ = 13300560.

The previous prime is 20054401. The next prime is 20054417. The reversal of 20054403 is 30445002.

It is a happy number.

It is not a de Polignac number, because 20054403 - 2¹ = 20054401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20054401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3883 + ... + 7428.

It is an arithmetic number, because the mean of its divisors is an integer number (2426424).

Almost surely, 2^20054403 is an apocalyptic number.

20054403 is a deficient number, since it is larger than the sum of its proper divisors (9062685).

20054403 is a wasteful number, since it uses less digits than its factorization.

20054403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514 (or 11511 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20054403 is about 4478.2142646372. The cubic root of 20054403 is about 271.6876596036.

Adding to 20054403 its reverse (30445002), we get a palindrome (50499405).

The spelling of 20054403 in words is "twenty million, fifty-four thousand, four hundred three".