20252996608 has 88 divisors (see below), whose sum is σ = 43675250528. Its totient is φ = 9331531776.

The previous prime is 20252996593. The next prime is 20252996623. The reversal of 20252996608 is 80669925202.

It is an interprime number because it is at equal distance from previous prime (20252996593) and next prime (20252996623).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11753635 + ... + 11755357.

Almost surely, 2^20252996608 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 20252996608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21837625264).

20252996608 is an abundant number, since it is smaller than the sum of its proper divisors (23422253920).

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

20252996608 is a wasteful number, since it uses less digits than its factorization.

20252996608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 20252996608 in words is "twenty billion, two hundred fifty-two million, nine hundred ninety-six thousand, six hundred eight".