1001303132220 has 36 divisors (see below), whose sum is σ = 3037286168280. Its totient is φ = 267014168544.

The previous prime is 1001303132173. The next prime is 1001303132243. The reversal of 1001303132220 is 222313031001.

1001303132220 is a `hidden beast` number, since 1 + 0 + 0 + 130 + 313 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 1001303132193 and 1001303132202.

It is a congruent number.

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, 2781397410 + ... + 2781397769.

It is an arithmetic number, because the mean of its divisors is an integer number (84369060230).

Almost surely, 2^{1001303132220} is an apocalyptic number.

1001303132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001303132220 is an abundant number, since it is smaller than the sum of its proper divisors (2035983036060).

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

1001303132220 is a wasteful number, since it uses less digits than its factorization.

1001303132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562795194 (or 5562795189 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1001303132220 its reverse (222313031001), we get a palindrome (1223616163221).

The spelling of 1001303132220 in words is "one trillion, one billion, three hundred three million, one hundred thirty-two thousand, two hundred twenty".