1100002020220 has 12 divisors (see below), whose sum is σ = 2310004242504. Its totient is φ = 440000808080.

The previous prime is 1100002020217. The next prime is 1100002020223. The reversal of 1100002020220 is 220202000011.

It is an interprime number because it is at equal distance from previous prime (1100002020217) and next prime (1100002020223).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1100002020197 and 1100002020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100002020223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27500050486 + ... + 27500050525.

It is an arithmetic number, because the mean of its divisors is an integer number (192500353542).

Almost surely, 2^{1100002020220} is an apocalyptic number.

1100002020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100002020220 is an abundant number, since it is smaller than the sum of its proper divisors (1210002222284).

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

1100002020220 is a wasteful number, since it uses less digits than its factorization.

1100002020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000101020 (or 55000101018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1100002020220 its reverse (220202000011), we get a palindrome (1320204020231).

The spelling of 1100002020220 in words is "one trillion, one hundred billion, two million, twenty thousand, two hundred twenty".