20020052819500 has 384 divisors, whose sum is σ = 47262458880000. Its totient is φ = 7385845420800.

The previous prime is 20020052819497. The next prime is 20020052819513. The reversal of 20020052819500 is 591825002002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22672766059 + ... + 22672766941.

It is an arithmetic number, because the mean of its divisors is an integer number (123079320000).

Almost surely, 2^{20020052819500} is an apocalyptic number.

20020052819500 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 20020052819500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23631229440000).

20020052819500 is an abundant number, since it is smaller than the sum of its proper divisors (27242406060500).

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

20020052819500 is a wasteful number, since it uses less digits than its factorization.

20020052819500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 20020052819500 in words is "twenty trillion, twenty billion, fifty-two million, eight hundred nineteen thousand, five hundred".