20502132002055 has 72 divisors (see below), whose sum is σ = 39216987810000. Its totient is φ = 9900823680000.

The previous prime is 20502132001997. The next prime is 20502132002069. The reversal of 20502132002055 is 55020023120502.

20502132002055 is a `hidden beast` number, since 2 + 0 + 502 + 132 + 0 + 0 + 20 + 5 + 5 = 666.

It is not a de Polignac number, because 20502132002055 - 2¹⁵ = 20502131969287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6133930 + ... + 8867319.

It is an arithmetic number, because the mean of its divisors is an integer number (544680386250).

Almost surely, 2^{20502132002055} is an apocalyptic number.

20502132002055 is a deficient number, since it is larger than the sum of its proper divisors (18714855807945).

20502132002055 is a wasteful number, since it uses less digits than its factorization.

20502132002055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15001533 (or 15001519 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 20502132002055 its reverse (55020023120502), we get a palindrome (75522155122557).

The spelling of 20502132002055 in words is "twenty trillion, five hundred two billion, one hundred thirty-two million, two thousand, fifty-five".