1020835064 has 8 divisors (see below), whose sum is σ = 1914065760. Its totient is φ = 510417528.

The previous prime is 1020835033. The next prime is 1020835103. The reversal of 1020835064 is 4605380201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63802184 + ... + 63802199.

It is an arithmetic number, because the mean of its divisors is an integer number (239258220).

Almost surely, 2^1020835064 is an apocalyptic number.

It is an amenable number.

1020835064 is a deficient number, since it is larger than the sum of its proper divisors (893230696).

1020835064 is a wasteful number, since it uses less digits than its factorization.

1020835064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127604389 (or 127604385 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1020835064 is about 31950.5096046996. The cubic root of 1020835064 is about 1006.8973386762.

The spelling of 1020835064 in words is "one billion, twenty million, eight hundred thirty-five thousand, sixty-four".