20300100332020 has 12 divisors (see below), whose sum is σ = 42630210697284. Its totient is φ = 8120040132800.

The previous prime is 20300100332011. The next prime is 20300100332021. The reversal of 20300100332020 is 2023300100302.

It can be written as a sum of positive squares in 2 ways, for example, as 14371089610084 + 5929010721936 = 3790922^2 + 2434956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20300100331985 and 20300100332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300100332021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507502508281 + ... + 507502508320.

It is an arithmetic number, because the mean of its divisors is an integer number (3552517558107).

Almost surely, 2^{20300100332020} is an apocalyptic number.

20300100332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300100332020 is an abundant number, since it is smaller than the sum of its proper divisors (22330110365264).

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

20300100332020 is a wasteful number, since it uses less digits than its factorization.

20300100332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015005016610 (or 1015005016608 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20300100332020 its reverse (2023300100302), we get a palindrome (22323400432322).

The spelling of 20300100332020 in words is "twenty trillion, three hundred billion, one hundred million, three hundred thirty-two thousand, twenty".