2020129603865 has 16 divisors (see below), whose sum is σ = 2433934863360. Its totient is φ = 1609584768000.

The previous prime is 2020129603853. The next prime is 2020129603871. The reversal of 2020129603865 is 5683069210202.

It is not a de Polignac number, because 2020129603865 - 2¹² = 2020129599769 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 49375097 + ... + 49415993.

It is an arithmetic number, because the mean of its divisors is an integer number (152120928960).

Almost surely, 2^{2020129603865} is an apocalyptic number.

It is an amenable number.

2020129603865 is a deficient number, since it is larger than the sum of its proper divisors (413805259495).

2020129603865 is a wasteful number, since it uses less digits than its factorization.

2020129603865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80512.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 2020129603865 in words is "two trillion, twenty billion, one hundred twenty-nine million, six hundred three thousand, eight hundred sixty-five".