20980060997376 has 288 divisors, whose sum is σ = 63796116643840. Its totient is φ = 6067483656192.

The previous prime is 20980060997359. The next prime is 20980060997383. The reversal of 20980060997376 is 67379906008902.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 23655966 + ... + 24526818.

Almost surely, 2^{20980060997376} is an apocalyptic number.

20980060997376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20980060997376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31898058321920).

20980060997376 is an abundant number, since it is smaller than the sum of its proper divisors (42816055646464).

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

20980060997376 is a wasteful number, since it uses less digits than its factorization.

20980060997376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871031 (or 871017 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 66.

The spelling of 20980060997376 in words is "twenty trillion, nine hundred eighty billion, sixty million, nine hundred ninety-seven thousand, three hundred seventy-six".