1020295135608 has 64 divisors (see below), whose sum is σ = 2915203791360. Its totient is φ = 291505412736.

The previous prime is 1020295135577. The next prime is 1020295135661. The reversal of 1020295135608 is 8065315920201.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1020295135608.

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 15 ways as a sum of consecutive naturals, for example, 12763941 + ... + 12843627.

It is an arithmetic number, because the mean of its divisors is an integer number (45550059240).

Almost surely, 2^{1020295135608} is an apocalyptic number.

It is an amenable number.

1020295135608 is an abundant number, since it is smaller than the sum of its proper divisors (1894908655752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020295135608 is a wasteful number, since it uses less digits than its factorization.

1020295135608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155916 (or 155912 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 1020295135608 in words is "one trillion, twenty billion, two hundred ninety-five million, one hundred thirty-five thousand, six hundred eight".