120220434 has 24 divisors (see below), whose sum is σ = 260934492. Its totient is φ = 40003200.

The previous prime is 120220433. The next prime is 120220439. The reversal of 120220434 is 434022021.

120220434 is a `hidden beast` number, since 12 + 0 + 220 + 434 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 116704809 + 3515625 = 10803^2 + 1875^2 .

It is a super-2 number, since 2×120220434² = 28905905502296712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120220433) 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 11 ways as a sum of consecutive naturals, for example, 5262 + ... + 16374.

Almost surely, 2^120220434 is an apocalyptic number.

120220434 is an abundant number, since it is smaller than the sum of its proper divisors (140714058).

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

120220434 is a wasteful number, since it uses less digits than its factorization.

120220434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722 (or 11719 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120220434 is about 10964.5079232951. The cubic root of 120220434 is about 493.5442506737.

Adding to 120220434 its reverse (434022021), we get a palindrome (554242455).

The spelling of 120220434 in words is "one hundred twenty million, two hundred twenty thousand, four hundred thirty-four".