220100140 has 48 divisors (see below), whose sum is σ = 514946880. Its totient is φ = 78462720.

The previous prime is 220100129. The next prime is 220100141. The reversal of 220100140 is 41001022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (220100141) 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, 7056 + ... + 22135.

It is an arithmetic number, because the mean of its divisors is an integer number (10728060).

Almost surely, 2^220100140 is an apocalyptic number.

220100140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220100140 is an abundant number, since it is smaller than the sum of its proper divisors (294846740).

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

220100140 is a wasteful number, since it uses less digits than its factorization.

220100140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29242 (or 29240 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 220100140 is about 14835.7723088486. The cubic root of 220100140 is about 603.7726546687.

Adding to 220100140 its reverse (41001022), we get a palindrome (261101162).

The spelling of 220100140 in words is "two hundred twenty million, one hundred thousand, one hundred forty".