65799072020 has 24 divisors (see below), whose sum is σ = 150739692768. Its totient is φ = 23926935200.

The previous prime is 65799071953. The next prime is 65799072029. The reversal of 65799072020 is 2027099756.

It is a happy number.

65799072020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65799072029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149543126 + ... + 149543565.

It is an arithmetic number, because the mean of its divisors is an integer number (6280820532).

Almost surely, 2^65799072020 is an apocalyptic number.

It is an amenable number.

65799072020 is an abundant number, since it is smaller than the sum of its proper divisors (84940620748).

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

65799072020 is a wasteful number, since it uses less digits than its factorization.

65799072020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299086711 (or 299086709 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 65799072020 in words is "sixty-five billion, seven hundred ninety-nine million, seventy-two thousand, twenty".