88556820201 has 24 divisors (see below), whose sum is σ = 131454425544. Its totient is φ = 57406475520.

The previous prime is 88556820133. The next prime is 88556820227. The reversal of 88556820201 is 10202865588.

88556820201 is a `hidden beast` number, since 8 + 85 + 568 + 2 + 0 + 2 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69103265625 + 19453554576 = 262875^2 + 139476^2 .

It is not a de Polignac number, because 88556820201 - 2¹¹ = 88556818153 is a prime.

It is a super-2 number, since 2×88556820201² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88556820281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457765 + ... + 621821.

It is an arithmetic number, because the mean of its divisors is an integer number (5477267731).

Almost surely, 2^88556820201 is an apocalyptic number.

It is an amenable number.

88556820201 is a deficient number, since it is larger than the sum of its proper divisors (42897605343).

88556820201 is a wasteful number, since it uses less digits than its factorization.

88556820201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165721 (or 165718 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 88556820201 in words is "eighty-eight billion, five hundred fifty-six million, eight hundred twenty thousand, two hundred one".