10020306855 has 128 divisors (see below), whose sum is σ = 18992848896. Its totient is φ = 4464230400.

The previous prime is 10020306853. The next prime is 10020306871. The reversal of 10020306855 is 55860302001.

It is not a de Polignac number, because 10020306855 - 2¹ = 10020306853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020306851) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 28876792 + ... + 28877138.

It is an arithmetic number, because the mean of its divisors is an integer number (148381632).

Almost surely, 2^10020306855 is an apocalyptic number.

10020306855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10020306855 is a deficient number, since it is larger than the sum of its proper divisors (8972542041).

10020306855 is a wasteful number, since it uses less digits than its factorization.

10020306855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 10020306855 its reverse (55860302001), we get a palindrome (65880608856).

The spelling of 10020306855 in words is "ten billion, twenty million, three hundred six thousand, eight hundred fifty-five".