20416154212312 has 64 divisors (see below), whose sum is σ = 39560779100160. Its totient is φ = 9867378528000.

The previous prime is 20416154212303. The next prime is 20416154212319. The reversal of 20416154212312 is 21321245161402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20416154212319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620194812 + ... + 1620207412.

It is an arithmetic number, because the mean of its divisors is an integer number (618137173440).

Almost surely, 2^{20416154212312} is an apocalyptic number.

It is an amenable number.

20416154212312 is a deficient number, since it is larger than the sum of its proper divisors (19144624887848).

20416154212312 is a wasteful number, since it uses less digits than its factorization.

20416154212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19664 (or 19660 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 20416154212312 its reverse (21321245161402), we get a palindrome (41737399373714).

The spelling of 20416154212312 in words is "twenty trillion, four hundred sixteen billion, one hundred fifty-four million, two hundred twelve thousand, three hundred twelve".