20415516442334 has 48 divisors (see below), whose sum is σ = 36876801318000. Its totient is φ = 8401527069696.

The previous prime is 20415516442291. The next prime is 20415516442339. The reversal of 20415516442334 is 43324461551402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415516442339) 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, 71357159 + ... + 71642690.

It is an arithmetic number, because the mean of its divisors is an integer number (768266694125).

Almost surely, 2^{20415516442334} is an apocalyptic number.

20415516442334 is a deficient number, since it is larger than the sum of its proper divisors (16461284875666).

20415516442334 is a wasteful number, since it uses less digits than its factorization.

20415516442334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142999917 (or 142999900 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 20415516442334 its reverse (43324461551402), we get a palindrome (63739977993736).

The spelling of 20415516442334 in words is "twenty trillion, four hundred fifteen billion, five hundred sixteen million, four hundred forty-two thousand, three hundred thirty-four".