20393119032 has 128 divisors (see below), whose sum is σ = 59981160960. Its totient is φ = 5696248320.

The previous prime is 20393119031. The next prime is 20393119039. The reversal of 20393119032 is 23091139302.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20393118984 and 20393119002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20393119031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2649093 + ... + 2656779.

It is an arithmetic number, because the mean of its divisors is an integer number (468602820).

Almost surely, 2^20393119032 is an apocalyptic number.

20393119032 is a gapful number since it is divisible by the number (22) 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 20393119032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29990580480).

20393119032 is an abundant number, since it is smaller than the sum of its proper divisors (39588041928).

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

20393119032 is a wasteful number, since it uses less digits than its factorization.

20393119032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493 (or 8489 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The spelling of 20393119032 in words is "twenty billion, three hundred ninety-three million, one hundred nineteen thousand, thirty-two".