140220220 has 48 divisors (see below), whose sum is σ = 348143040. Its totient is φ = 46416384.

The previous prime is 140220203. The next prime is 140220221. The reversal of 140220220 is 22022041.

It is a self number, because there is not a number n which added to its sum of digits gives 140220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140220221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13209 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (7252980).

Almost surely, 2^140220220 is an apocalyptic number.

140220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140220220 is an abundant number, since it is smaller than the sum of its proper divisors (207922820).

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

140220220 is a wasteful number, since it uses less digits than its factorization.

140220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34582 (or 34580 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 140220220 is about 11841.4619029915. The cubic root of 140220220 is about 519.5215273289.

Adding to 140220220 its reverse (22022041), we get a palindrome (162242261).

The spelling of 140220220 in words is "one hundred forty million, two hundred twenty thousand, two hundred twenty".