20880360627840 has 1024 divisors, whose sum is σ = 90374171212800. Its totient is φ = 4447390924800.

The previous prime is 20880360627811. The next prime is 20880360627853. The reversal of 20880360627840 is 4872606308802.

20880360627840 is a `hidden beast` number, since 2 + 0 + 8 + 8 + 0 + 3 + 6 + 0 + 627 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 207638052 + ... + 207738588.

It is an arithmetic number, because the mean of its divisors is an integer number (88256026575).

Almost surely, 2^{20880360627840} is an apocalyptic number.

20880360627840 is a gapful number since it is divisible by the number (20) 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 20880360627840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45187085606400).

20880360627840 is an abundant number, since it is smaller than the sum of its proper divisors (69493810584960).

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

20880360627840 is a wasteful number, since it uses less digits than its factorization.

20880360627840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100690 (or 100672 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 20880360627840 in words is "twenty trillion, eight hundred eighty billion, three hundred sixty million, six hundred twenty-seven thousand, eight hundred forty".