20548755270 has 128 divisors (see below), whose sum is σ = 58075056000. Its totient is φ = 5152444416.

The previous prime is 20548755257. The next prime is 20548755307. The reversal of 20548755270 is 7255784502.

20548755270 is a `hidden beast` number, since 2 + 0 + 54 + 8 + 75 + 527 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8944762 + ... + 8947058.

It is an arithmetic number, because the mean of its divisors is an integer number (453711375).

Almost surely, 2^20548755270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20548755270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29037528000).

20548755270 is an abundant number, since it is smaller than the sum of its proper divisors (37526300730).

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

20548755270 is a wasteful number, since it uses less digits than its factorization.

20548755270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279 (or 4273 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 45.

The spelling of 20548755270 in words is "twenty billion, five hundred forty-eight million, seven hundred fifty-five thousand, two hundred seventy".