10220330666 has 32 divisors (see below), whose sum is σ = 19476968448. Its totient is φ = 3912779520.

The previous prime is 10220330639. The next prime is 10220330689. The reversal of 10220330666 is 66603302201.

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, 900095 + ... + 911378.

It is an arithmetic number, because the mean of its divisors is an integer number (608655264).

Almost surely, 2^10220330666 is an apocalyptic number.

10220330666 is a deficient number, since it is larger than the sum of its proper divisors (9256637782).

10220330666 is a wasteful number, since it uses less digits than its factorization.

10220330666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811526.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 10220330666 its reverse (66603302201), we get a palindrome (76823632867).

The spelling of 10220330666 in words is "ten billion, two hundred twenty million, three hundred thirty thousand, six hundred sixty-six".