20319653080 has 96 divisors (see below), whose sum is σ = 47414002320. Its totient is φ = 7836998400.

The previous prime is 20319653069. The next prime is 20319653083. The reversal of 20319653080 is 8035691302.

It is a super-3 number, since 3×20319653080³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20319653083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12722842 + ... + 12724438.

Almost surely, 2^20319653080 is an apocalyptic number.

20319653080 is a gapful number since it is divisible by the number (20) 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 20319653080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23707001160).

20319653080 is an abundant number, since it is smaller than the sum of its proper divisors (27094349240).

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

20319653080 is a wasteful number, since it uses less digits than its factorization.

20319653080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 20319653080 in words is "twenty billion, three hundred nineteen million, six hundred fifty-three thousand, eighty".