1102365620 has 48 divisors (see below), whose sum is σ = 2424159360. Its totient is φ = 420283776.

The previous prime is 1102365613. The next prime is 1102365653. The reversal of 1102365620 is 265632011.

It is a self number, because there is not a number n which added to its sum of digits gives 1102365620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130691 + ... + 138869.

It is an arithmetic number, because the mean of its divisors is an integer number (50503320).

Almost surely, 2^1102365620 is an apocalyptic number.

1102365620 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 1102365620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212079680).

1102365620 is an abundant number, since it is smaller than the sum of its proper divisors (1321793740).

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

1102365620 is a wasteful number, since it uses less digits than its factorization.

1102365620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504 (or 8502 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1102365620 is about 33201.8918135699. The cubic root of 1102365620 is about 1033.0195803136.

Adding to 1102365620 its reverse (265632011), we get a palindrome (1367997631).

The spelling of 1102365620 in words is "one billion, one hundred two million, three hundred sixty-five thousand, six hundred twenty".