1366410220 has 48 divisors (see below), whose sum is σ = 3421974528. Its totient is φ = 448113600.

The previous prime is 1366410209. The next prime is 1366410229. The reversal of 1366410220 is 220146631.

It is not an unprimeable number, because it can be changed into a prime (1366410229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208956 + ... + 215395.

It is an arithmetic number, because the mean of its divisors is an integer number (71291136).

Almost surely, 2^1366410220 is an apocalyptic number.

1366410220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366410220 is an abundant number, since it is smaller than the sum of its proper divisors (2055564308).

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

1366410220 is a wasteful number, since it uses less digits than its factorization.

1366410220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424390 (or 424388 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1366410220 is about 36964.9864060573. The cubic root of 1366410220 is about 1109.6696308707.

Adding to 1366410220 its reverse (220146631), we get a palindrome (1586556851).

The spelling of 1366410220 in words is "one billion, three hundred sixty-six million, four hundred ten thousand, two hundred twenty".