1365080220 has 432 divisors, whose sum is σ = 5108987520. Its totient is φ = 293787648.

The previous prime is 1365080203. The next prime is 1365080231. The reversal of 1365080220 is 220805631.

1365080220 is a `hidden beast` number, since 1 + 3 + 650 + 8 + 0 + 2 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 15337936 + ... + 15338024.

It is an arithmetic number, because the mean of its divisors is an integer number (11826360).

Almost surely, 2^1365080220 is an apocalyptic number.

1365080220 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 1365080220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2554493760).

1365080220 is an abundant number, since it is smaller than the sum of its proper divisors (3743907300).

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

1365080220 is a wasteful number, since it uses less digits than its factorization.

1365080220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1365080220 is about 36946.9920291219. The cubic root of 1365080220 is about 1109.3094804339.

Adding to 1365080220 its reverse (220805631), we get a palindrome (1585885851).

The spelling of 1365080220 in words is "one billion, three hundred sixty-five million, eighty thousand, two hundred twenty".