26550700020 has 576 divisors, whose sum is σ = 95492517120. Its totient is φ = 6145155072.

The previous prime is 26550700013. The next prime is 26550700031. The reversal of 26550700020 is 2000705562.

26550700020 is a `hidden beast` number, since 2 + 655 + 0 + 7 + 0 + 0 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 78785292 + ... + 78785628.

It is an arithmetic number, because the mean of its divisors is an integer number (165785620).

Almost surely, 2^26550700020 is an apocalyptic number.

26550700020 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 26550700020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47746258560).

26550700020 is an abundant number, since it is smaller than the sum of its proper divisors (68941817100).

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

26550700020 is a wasteful number, since it uses less digits than its factorization.

26550700020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The spelling of 26550700020 in words is "twenty-six billion, five hundred fifty million, seven hundred thousand, twenty".