20120331320300 has 36 divisors (see below), whose sum is σ = 44726024314776. Its totient is φ = 7851836611200.

The previous prime is 20120331320293. The next prime is 20120331320333. The reversal of 20120331320300 is 302313302102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2453694842 + ... + 2453703041.

Almost surely, 2^{20120331320300} is an apocalyptic number.

20120331320300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120331320300 is an abundant number, since it is smaller than the sum of its proper divisors (24605692994476).

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

20120331320300 is a wasteful number, since it uses less digits than its factorization.

20120331320300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907397938 (or 4907397931 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20120331320300 its reverse (302313302102), we get a palindrome (20422644622402).

It can be divided in two parts, 2012033 and 1320300, that added together give a palindrome (3332333).

The spelling of 20120331320300 in words is "twenty trillion, one hundred twenty billion, three hundred thirty-one million, three hundred twenty thousand, three hundred".