20152098655 has 32 divisors (see below), whose sum is σ = 26865123264. Its totient is φ = 14415169536.

The previous prime is 20152098619. The next prime is 20152098661. The reversal of 20152098655 is 55689025102.

It is a cyclic number.

It is not a de Polignac number, because 20152098655 - 2¹⁵ = 20152065887 is a prime.

It is a super-2 number, since 2×20152098655² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 527479 + ... + 564391.

It is an arithmetic number, because the mean of its divisors is an integer number (839535102).

Almost surely, 2^20152098655 is an apocalyptic number.

20152098655 is a deficient number, since it is larger than the sum of its proper divisors (6713024609).

20152098655 is a wasteful number, since it uses less digits than its factorization.

20152098655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37195.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 20152098655 in words is "twenty billion, one hundred fifty-two million, ninety-eight thousand, six hundred fifty-five".