120220021268 has 12 divisors (see below), whose sum is σ = 216071119572. Its totient is φ = 58485415680.

The previous prime is 120220021267. The next prime is 120220021291. The reversal of 120220021268 is 862120022021.

It can be written as a sum of positive squares in 2 ways, for example, as 61661829124 + 58558192144 = 248318^2 + 241988^2 .

It is a super-4 number, since 4×120220021268⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220021267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406148573 + ... + 406148868.

It is an arithmetic number, because the mean of its divisors is an integer number (18005926631).

Almost surely, 2^120220021268 is an apocalyptic number.

It is an amenable number.

120220021268 is a deficient number, since it is larger than the sum of its proper divisors (95851098304).

120220021268 is a wasteful number, since it uses less digits than its factorization.

120220021268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812297482 (or 812297480 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 120220021268 its reverse (862120022021), we get a palindrome (982340043289).

The spelling of 120220021268 in words is "one hundred twenty billion, two hundred twenty million, twenty-one thousand, two hundred sixty-eight".