76802020020 has 192 divisors, whose sum is σ = 274380825600. Its totient is φ = 17638715520.

The previous prime is 76802020019. The next prime is 76802020033. The reversal of 76802020020 is 2002020867.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 63 ways as a sum of consecutive naturals, for example, 227394 + ... + 453113.

It is an arithmetic number, because the mean of its divisors is an integer number (1429066800).

Almost surely, 2^76802020020 is an apocalyptic number.

It is an amenable number.

76802020020 is an abundant number, since it is smaller than the sum of its proper divisors (197578805580).

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

76802020020 is a wasteful number, since it uses less digits than its factorization.

76802020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680555 (or 680547 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 76802020020 its reverse (2002020867), we get a palindrome (78804040887).

The spelling of 76802020020 in words is "seventy-six billion, eight hundred two million, twenty thousand, twenty".