20132241321220 has 36 divisors (see below), whose sum is σ = 49180189515660. Its totient is φ = 6902482738368.

The previous prime is 20132241321187. The next prime is 20132241321263. The reversal of 20132241321220 is 2212314223102.

It can be written as a sum of positive squares in 2 ways, for example, as 15492111744004 + 4640129577216 = 3936002^2 + 2154096^2 .

It is a super-2 number, since 2×20132241321220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10271550715 + ... + 10271552674.

It is an arithmetic number, because the mean of its divisors is an integer number (1366116375435).

Almost surely, 2^{20132241321220} is an apocalyptic number.

20132241321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132241321220 is an abundant number, since it is smaller than the sum of its proper divisors (29047948194440).

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

20132241321220 is a wasteful number, since it uses less digits than its factorization.

20132241321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20543103412 (or 20543103403 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20132241321220 its reverse (2212314223102), we get a palindrome (22344555544322).

The spelling of 20132241321220 in words is "twenty trillion, one hundred thirty-two billion, two hundred forty-one million, three hundred twenty-one thousand, two hundred twenty".