20593661088 has 576 divisors, whose sum is σ = 75335049216. Its totient is φ = 4756838400.

The previous prime is 20593661083. The next prime is 20593661107. The reversal of 20593661088 is 88016639502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (20593661083) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 92348145 + ... + 92348367.

It is an arithmetic number, because the mean of its divisors is an integer number (130790016).

Almost surely, 2^20593661088 is an apocalyptic number.

20593661088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20593661088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37667524608).

20593661088 is an abundant number, since it is smaller than the sum of its proper divisors (54741388128).

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

20593661088 is a wasteful number, since it uses less digits than its factorization.

20593661088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 20593661088 in words is "twenty billion, five hundred ninety-three million, six hundred sixty-one thousand, eighty-eight".