120220040 has 32 divisors (see below), whose sum is σ = 274311360. Its totient is φ = 47409600.

The previous prime is 120220033. The next prime is 120220069. The reversal of 120220040 is 40022021.

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, 18326 + ... + 24005.

It is an arithmetic number, because the mean of its divisors is an integer number (8572230).

Almost surely, 2^120220040 is an apocalyptic number.

120220040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220040 is an abundant number, since it is smaller than the sum of its proper divisors (154091320).

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

120220040 is a wasteful number, since it uses less digits than its factorization.

120220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42413 (or 42409 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 120220040 is about 10964.4899562178. The cubic root of 120220040 is about 493.5437115068.

Adding to 120220040 its reverse (40022021), we get a palindrome (160242061).

The spelling of 120220040 in words is "one hundred twenty million, two hundred twenty thousand, forty".