20332200000020 has 12 divisors (see below), whose sum is σ = 42697620000084. Its totient is φ = 8132880000000.

The previous prime is 20332200000011. The next prime is 20332200000059. The reversal of 20332200000020 is 2000000223302.

It can be written as a sum of positive squares in 2 ways, for example, as 6651921873424 + 13680278126596 = 2579132^2 + 3698686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20332199999950 and 20332200000004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508304999981 + ... + 508305000020.

It is an arithmetic number, because the mean of its divisors is an integer number (3558135000007).

Almost surely, 2^{20332200000020} is an apocalyptic number.

20332200000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332200000020 is an abundant number, since it is smaller than the sum of its proper divisors (22365420000064).

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

20332200000020 is a wasteful number, since it uses less digits than its factorization.

20332200000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016610000010 (or 1016610000008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20332200000020 its reverse (2000000223302), we get a palindrome (22332200223322).

It can be divided in two parts, 203 and 32200000020, that added together give a palindrome (32200000223).

The spelling of 20332200000020 in words is "twenty trillion, three hundred thirty-two billion, two hundred million, twenty", and thus it is an aban number.