1032320300220 has 216 divisors, whose sum is σ = 3605298606000. Its totient is φ = 237087751680.

The previous prime is 1032320300183. The next prime is 1032320300279. The reversal of 1032320300220 is 220030232301.

It is a happy number.

1032320300220 is a `hidden beast` number, since 1 + 0 + 323 + 20 + 300 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1032320300193 and 1032320300202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7345 + ... + 1436904.

It is an arithmetic number, because the mean of its divisors is an integer number (16691197250).

Almost surely, 2^{1032320300220} is an apocalyptic number.

1032320300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1032320300220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1802649303000).

1032320300220 is an abundant number, since it is smaller than the sum of its proper divisors (2572978305780).

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

1032320300220 is a wasteful number, since it uses less digits than its factorization.

1032320300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444313 (or 1444289 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1032320300220 its reverse (220030232301), we get a palindrome (1252350532521).

The spelling of 1032320300220 in words is "one trillion, thirty-two billion, three hundred twenty million, three hundred thousand, two hundred twenty".