20052415 has 8 divisors (see below), whose sum is σ = 24276528. Its totient is φ = 15899520.

The previous prime is 20052413. The next prime is 20052419. The reversal of 20052415 is 51425002.

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

It is not a de Polignac number, because 20052415 - 2¹ = 20052413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20052392 and 20052401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17181 + ... + 18310.

It is an arithmetic number, because the mean of its divisors is an integer number (3034566).

Almost surely, 2^20052415 is an apocalyptic number.

20052415 is a deficient number, since it is larger than the sum of its proper divisors (4224113).

20052415 is a wasteful number, since it uses less digits than its factorization.

20052415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35609.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 20052415 is about 4477.9922956611. The cubic root of 20052415 is about 271.6786818093.

Adding to 20052415 its reverse (51425002), we get a palindrome (71477417).

The spelling of 20052415 in words is "twenty million, fifty-two thousand, four hundred fifteen".