20030055320000 has 280 divisors, whose sum is σ = 55443431822592. Its totient is φ = 7114262400000.

The previous prime is 20030055319997. The next prime is 20030055320021. The reversal of 20030055320000 is 2355003002.

It is a super-2 number, since 2×20030055320000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 18390665 + ... + 19449335.

Almost surely, 2^{20030055320000} is an apocalyptic number.

20030055320000 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 20030055320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27721715911296).

20030055320000 is an abundant number, since it is smaller than the sum of its proper divisors (35413376502592).

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

20030055320000 is a wasteful number, since it uses less digits than its factorization.

20030055320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058757 (or 1058732 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The spelling of 20030055320000 in words is "twenty trillion, thirty billion, fifty-five million, three hundred twenty thousand".