1100023320220 has 72 divisors (see below), whose sum is σ = 2539393767792. Its totient is φ = 399969250560.

The previous prime is 1100023320211. The next prime is 1100023320229. The reversal of 1100023320220 is 220233200011.

It is an interprime number because it is at equal distance from previous prime (1100023320211) and next prime (1100023320229).

It is a junction number, because it is equal to n+sod(n) for n = 1100023320194 and 1100023320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100023320229) 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, 38190144 + ... + 38218936.

It is an arithmetic number, because the mean of its divisors is an integer number (35269357886).

Almost surely, 2^{1100023320220} is an apocalyptic number.

1100023320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100023320220 is an abundant number, since it is smaller than the sum of its proper divisors (1439370447572).

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

1100023320220 is a wasteful number, since it uses less digits than its factorization.

1100023320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44611 (or 44598 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1100023320220 its reverse (220233200011), we get a palindrome (1320256520231).

The spelling of 1100023320220 in words is "one trillion, one hundred billion, twenty-three million, three hundred twenty thousand, two hundred twenty".