1120202312220 has 72 divisors (see below), whose sum is σ = 3597826259664. Its totient is φ = 281148814848.

The previous prime is 1120202312077. The next prime is 1120202312221. The reversal of 1120202312220 is 222132020211.

1120202312220 is a `hidden beast` number, since 11 + 202 + 0 + 231 + 2 + 220 = 666.

It is a super-2 number, since 2×1120202312220² (a number of 25 digits) contains 22 as substring.

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 = 1120202312193 and 1120202312202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120202312221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183036534 + ... + 183042653.

It is an arithmetic number, because the mean of its divisors is an integer number (49969809162).

Almost surely, 2^{1120202312220} is an apocalyptic number.

1120202312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120202312220 is an abundant number, since it is smaller than the sum of its proper divisors (2477623947444).

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

1120202312220 is a wasteful number, since it uses less digits than its factorization.

1120202312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366079219 (or 366079214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1120202312220 its reverse (222132020211), we get a palindrome (1342334332431).

The spelling of 1120202312220 in words is "one trillion, one hundred twenty billion, two hundred two million, three hundred twelve thousand, two hundred twenty".