20414436315550 has 48 divisors (see below), whose sum is σ = 38614735811232. Its totient is φ = 8027956428800.

The previous prime is 20414436315541. The next prime is 20414436315557. The reversal of 20414436315550 is 5551363441402.

It is a junction number, because it is equal to n+sod(n) for n = 20414436315497 and 20414436315506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414436315557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6892099 + ... + 9398398.

It is an arithmetic number, because the mean of its divisors is an integer number (804473662734).

Almost surely, 2^{20414436315550} is an apocalyptic number.

20414436315550 is a deficient number, since it is larger than the sum of its proper divisors (18200299495682).

20414436315550 is a wasteful number, since it uses less digits than its factorization.

20414436315550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290933 (or 16290928 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 20414436315550 its reverse (5551363441402), we get a palindrome (25965799756952).

The spelling of 20414436315550 in words is "twenty trillion, four hundred fourteen billion, four hundred thirty-six million, three hundred fifteen thousand, five hundred fifty".