20555027552015 has 32 divisors (see below), whose sum is σ = 28151185305600. Its totient is φ = 14274189932800.

The previous prime is 20555027551999. The next prime is 20555027552027. The reversal of 20555027552015 is 51025572055502.

It is not a de Polignac number, because 20555027552015 - 2⁴ = 20555027551999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96865415 + ... + 97077384.

It is an arithmetic number, because the mean of its divisors is an integer number (879724540800).

Almost surely, 2^{20555027552015} is an apocalyptic number.

20555027552015 is a deficient number, since it is larger than the sum of its proper divisors (7596157753585).

20555027552015 is a wasteful number, since it uses less digits than its factorization.

20555027552015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193942903.

The product of its (nonzero) digits is 875000, while the sum is 44.

The spelling of 20555027552015 in words is "twenty trillion, five hundred fifty-five billion, twenty-seven million, five hundred fifty-two thousand, fifteen".