20315443406632 has 32 divisors (see below), whose sum is σ = 41653019973600. Its totient is φ = 9212358254400.

The previous prime is 20315443406623. The next prime is 20315443406641. The reversal of 20315443406632 is 23660434451302.

It is an interprime number because it is at equal distance from previous prime (20315443406623) and next prime (20315443406641).

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, 274140282 + ... + 274214377.

It is an arithmetic number, because the mean of its divisors is an integer number (1301656874175).

Almost surely, 2^{20315443406632} is an apocalyptic number.

20315443406632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20315443406632 is an abundant number, since it is smaller than the sum of its proper divisors (21337576566968).

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

20315443406632 is a wasteful number, since it uses less digits than its factorization.

20315443406632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548355097 (or 548355093 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

Adding to 20315443406632 its reverse (23660434451302), we get a palindrome (43975877857934).

The spelling of 20315443406632 in words is "twenty trillion, three hundred fifteen billion, four hundred forty-three million, four hundred six thousand, six hundred thirty-two".