20670382080 has 408 divisors, whose sum is σ = 73773050208. Its totient is φ = 5350883328.

The previous prime is 20670382069. The next prime is 20670382111. The reversal of 20670382080 is 8028307602.

It is a happy number.

20670382080 is a `hidden beast` number, since 206 + 70 + 382 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126812079 + ... + 126812241.

Almost surely, 2^20670382080 is an apocalyptic number.

20670382080 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 20670382080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36886525104).

20670382080 is an abundant number, since it is smaller than the sum of its proper divisors (53102668128).

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

20670382080 is an equidigital number, since it uses as much as digits as its factorization.

20670382080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 20670382080 its reverse (8028307602), we get a palindrome (28698689682).

The spelling of 20670382080 in words is "twenty billion, six hundred seventy million, three hundred eighty-two thousand, eighty".