20300300323020 has 144 divisors (see below), whose sum is σ = 62514338315520. Its totient is φ = 5331106585728.

The previous prime is 20300300323001. The next prime is 20300300323063. The reversal of 20300300323020 is 2032300300302.

20300300323020 is a `hidden beast` number, since 2 + 0 + 30 + 0 + 300 + 32 + 302 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20300300322984 and 20300300323002.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 42685059 + ... + 43158021.

Almost surely, 2^{20300300323020} is an apocalyptic number.

20300300323020 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 20300300323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31257169157760).

20300300323020 is an abundant number, since it is smaller than the sum of its proper divisors (42214037992500).

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

20300300323020 is a wasteful number, since it uses less digits than its factorization.

20300300323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476604 (or 476599 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20300300323020 its reverse (2032300300302), we get a palindrome (22332600623322).

The spelling of 20300300323020 in words is "twenty trillion, three hundred billion, three hundred million, three hundred twenty-three thousand, twenty".