20054415 has 8 divisors (see below), whose sum is σ = 32087088. Its totient is φ = 10695680.

The previous prime is 20054401. The next prime is 20054417. The reversal of 20054415 is 51445002.

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

It is not a de Polignac number, because 20054415 - 2¹³ = 20046223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20054391 and 20054400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668466 + ... + 668495.

It is an arithmetic number, because the mean of its divisors is an integer number (4010886).

Almost surely, 2^20054415 is an apocalyptic number.

20054415 is a deficient number, since it is larger than the sum of its proper divisors (12032673).

20054415 is a wasteful number, since it uses less digits than its factorization.

20054415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336969.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 20054415 is about 4478.2156044568. The cubic root of 20054415 is about 271.6877137938.

Adding to 20054415 its reverse (51445002), we get a palindrome (71499417).

It can be divided in two parts, 200 and 54415, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 20054415 in words is "twenty million, fifty-four thousand, four hundred fifteen".