20249410608 has 120 divisors (see below), whose sum is σ = 64815399168. Its totient is φ = 5781131136.

The previous prime is 20249410589. The next prime is 20249410609. The reversal of 20249410608 is 80601494202.

20249410608 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 9 + 41 + 0 + 608 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20249410609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1451635 + ... + 1465517.

Almost surely, 2^20249410608 is an apocalyptic number.

20249410608 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 20249410608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32407699584).

20249410608 is an abundant number, since it is smaller than the sum of its proper divisors (44565988560).

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

20249410608 is a wasteful number, since it uses less digits than its factorization.

20249410608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15351 (or 15342 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 20249410608 in words is "twenty billion, two hundred forty-nine million, four hundred ten thousand, six hundred eight".