20413234550515 has 8 divisors (see below), whose sum is σ = 24861491632080. Its totient is φ = 16086847526112.

The previous prime is 20413234550509. The next prime is 20413234550537. The reversal of 20413234550515 is 51505543231402.

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

It is a cyclic number.

It is not a de Polignac number, because 20413234550515 - 2²³ = 20413226161907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30467513920 + ... + 30467514589.

It is an arithmetic number, because the mean of its divisors is an integer number (3107686454010).

Almost surely, 2^{20413234550515} is an apocalyptic number.

20413234550515 is a deficient number, since it is larger than the sum of its proper divisors (4448257081565).

20413234550515 is an equidigital number, since it uses as much as digits as its factorization.

20413234550515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60935028581.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 20413234550515 its reverse (51505543231402), we get a palindrome (71918777781917).

The spelling of 20413234550515 in words is "twenty trillion, four hundred thirteen billion, two hundred thirty-four million, five hundred fifty thousand, five hundred fifteen".