788632020 has 108 divisors (see below), whose sum is σ = 2629497780. Its totient is φ = 191178240.

The previous prime is 788632001. The next prime is 788632021. The reversal of 788632020 is 20236887.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 205119684 + 583512336 = 14322^2 + 24156^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788632021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3676 + ... + 39884.

Almost surely, 2^788632020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 788632020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314748890).

788632020 is an abundant number, since it is smaller than the sum of its proper divisors (1840865760).

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

788632020 is a wasteful number, since it uses less digits than its factorization.

788632020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36246 (or 36230 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 788632020 is about 28082.5928290106. The cubic root of 788632020 is about 923.8996489657.

The spelling of 788632020 in words is "seven hundred eighty-eight million, six hundred thirty-two thousand, twenty".