20346502100416 has 56 divisors (see below), whose sum is σ = 41768442162720. Its totient is φ = 9822188823552.

The previous prime is 20346502100411. The next prime is 20346502100453. The reversal of 20346502100416 is 61400120564302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346502100411) 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, 82530165 + ... + 82776331.

It is an arithmetic number, because the mean of its divisors is an integer number (745865038620).

Almost surely, 2^{20346502100416} is an apocalyptic number.

It is an amenable number.

20346502100416 is an abundant number, since it is smaller than the sum of its proper divisors (21421940062304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20346502100416 is a wasteful number, since it uses less digits than its factorization.

20346502100416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290741 (or 290731 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 20346502100416 its reverse (61400120564302), we get a palindrome (81746622664718).

The spelling of 20346502100416 in words is "twenty trillion, three hundred forty-six billion, five hundred two million, one hundred thousand, four hundred sixteen".