103220660 has 24 divisors (see below), whose sum is σ = 217061376. Its totient is φ = 41231520.

The previous prime is 103220659. The next prime is 103220671. The reversal of 103220660 is 66022301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13325 + ... + 19595.

It is an arithmetic number, because the mean of its divisors is an integer number (9044224).

Almost surely, 2^103220660 is an apocalyptic number.

103220660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103220660 is an abundant number, since it is smaller than the sum of its proper divisors (113840716).

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

103220660 is a wasteful number, since it uses less digits than its factorization.

103220660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103 (or 7101 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103220660 is about 10159.7568868551. The cubic root of 103220660 is about 469.0893185224.

Adding to 103220660 its reverse (66022301), we get a palindrome (169242961).

The spelling of 103220660 in words is "one hundred three million, two hundred twenty thousand, six hundred sixty".