20675922260688 has 160 divisors (see below), whose sum is σ = 59771854951680. Its totient is φ = 6842748326400.

The previous prime is 20675922260663. The next prime is 20675922260731. The reversal of 20675922260688 is 88606222957602.

20675922260688 is a `hidden beast` number, since 206 + 7 + 5 + 92 + 2 + 260 + 6 + 88 = 666.

It is a super-2 number, since 2×20675922260688² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126011470 + ... + 126175442.

It is an arithmetic number, because the mean of its divisors is an integer number (373574093448).

Almost surely, 2^{20675922260688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20675922260688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29885927475840).

20675922260688 is an abundant number, since it is smaller than the sum of its proper divisors (39095932690992).

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

20675922260688 is a wasteful number, since it uses less digits than its factorization.

20675922260688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166074 (or 166062 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 20675922260688 in words is "twenty trillion, six hundred seventy-five billion, nine hundred twenty-two million, two hundred sixty thousand, six hundred eighty-eight".