1005220352220 has 96 divisors (see below), whose sum is σ = 3277397749248. Its totient is φ = 225429464832.

The previous prime is 1005220352161. The next prime is 1005220352239. The reversal of 1005220352220 is 222530225001.

1005220352220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 22556814 + ... + 22601333.

It is an arithmetic number, because the mean of its divisors is an integer number (34139559888).

Almost surely, 2^{1005220352220} is an apocalyptic number.

1005220352220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005220352220 is an abundant number, since it is smaller than the sum of its proper divisors (2272177397028).

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

1005220352220 is a wasteful number, since it uses less digits than its factorization.

1005220352220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45158219 (or 45158217 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 1005220352220 its reverse (222530225001), we get a palindrome (1227750577221).

The spelling of 1005220352220 in words is "one trillion, five billion, two hundred twenty million, three hundred fifty-two thousand, two hundred twenty".