1102027220 has 96 divisors (see below), whose sum is σ = 2751657216. Its totient is φ = 362880000.

The previous prime is 1102027217. The next prime is 1102027229. The reversal of 1102027220 is 227202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102027229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365720 + ... + 368720.

It is an arithmetic number, because the mean of its divisors is an integer number (28663096).

Almost surely, 2^1102027220 is an apocalyptic number.

1102027220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102027220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375828608).

1102027220 is an abundant number, since it is smaller than the sum of its proper divisors (1649629996).

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

1102027220 is a wasteful number, since it uses less digits than its factorization.

1102027220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1102027220 is about 33196.7953272601. The cubic root of 1102027220 is about 1032.9138653566.

Adding to 1102027220 its reverse (227202011), we get a palindrome (1329229231).

The spelling of 1102027220 in words is "one billion, one hundred two million, twenty-seven thousand, two hundred twenty".