20300445153320 has 16 divisors (see below), whose sum is σ = 45676001595060. Its totient is φ = 8120178061312.

The previous prime is 20300445153271. The next prime is 20300445153341. The reversal of 20300445153320 is 2335154400302.

It can be written as a sum of positive squares in 2 ways, for example, as 20292880676644 + 7564476676 = 4504762^2 + 86974^2 .

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 3 ways as a sum of consecutive naturals, for example, 253755564377 + ... + 253755564456.

Almost surely, 2^{20300445153320} is an apocalyptic number.

20300445153320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300445153320 is an abundant number, since it is smaller than the sum of its proper divisors (25375556441740).

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

20300445153320 is a wasteful number, since it uses less digits than its factorization.

20300445153320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507511128844 (or 507511128840 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 20300445153320 its reverse (2335154400302), we get a palindrome (22635599553622).

The spelling of 20300445153320 in words is "twenty trillion, three hundred billion, four hundred forty-five million, one hundred fifty-three thousand, three hundred twenty".