20786937050880 has 6480 divisors, whose sum is σ = 106990985299968. Its totient is φ = 3804143616000.

The previous prime is 20786937050863. The next prime is 20786937050953. The reversal of 20786937050880 is 8805073968702.

20786937050880 is a `hidden beast` number, since 20 + 78 + 6 + 9 + 37 + 0 + 508 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (6480).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 719 ways as a sum of consecutive naturals, for example, 292773761245 + ... + 292773761315.

Almost surely, 2^{20786937050880} is an apocalyptic number.

20786937050880 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 20786937050880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53495492649984).

20786937050880 is an abundant number, since it is smaller than the sum of its proper divisors (86204048249088).

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

20786937050880 is a wasteful number, since it uses less digits than its factorization.

20786937050880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 20786937050880 in words is "twenty trillion, seven hundred eighty-six billion, nine hundred thirty-seven million, fifty thousand, eight hundred eighty".