10220120 has 16 divisors (see below), whose sum is σ = 22995360. Its totient is φ = 4088032.

The previous prime is 10220107. The next prime is 10220129. The reversal of 10220120 is 2102201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 10220098 and 10220107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127712 + ... + 127791.

It is an arithmetic number, because the mean of its divisors is an integer number (1437210).

Almost surely, 2^10220120 is an apocalyptic number.

10220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220120 is an abundant number, since it is smaller than the sum of its proper divisors (12775240).

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

10220120 is a wasteful number, since it uses less digits than its factorization.

10220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255514 (or 255510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 10220120 is about 3196.8922409115. The cubic root of 10220120 is about 217.0127906269.

Adding to 10220120 its reverse (2102201), we get a palindrome (12322321).

The spelling of 10220120 in words is "ten million, two hundred twenty thousand, one hundred twenty".