13132321201020 has 96 divisors (see below), whose sum is σ = 42211874009088. Its totient is φ = 2988212977152.

The previous prime is 13132321201009. The next prime is 13132321201037. The reversal of 13132321201020 is 2010212323131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70012689 + ... + 70200008.

It is an arithmetic number, because the mean of its divisors is an integer number (439707020928).

Almost surely, 2^{13132321201020} is an apocalyptic number.

13132321201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132321201020 is an abundant number, since it is smaller than the sum of its proper divisors (29079552808068).

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

13132321201020 is a wasteful number, since it uses less digits than its factorization.

13132321201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140212939 (or 140212937 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13132321201020 its reverse (2010212323131), we get a palindrome (15142533524151).

The spelling of 13132321201020 in words is "thirteen trillion, one hundred thirty-two billion, three hundred twenty-one million, two hundred one thousand, twenty".