220210140 has 24 divisors (see below), whose sum is σ = 616588560. Its totient is φ = 58722688.

The previous prime is 220210103. The next prime is 220210141. The reversal of 220210140 is 41012022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835025 + ... + 1835144.

It is an arithmetic number, because the mean of its divisors is an integer number (25691190).

Almost surely, 2^220210140 is an apocalyptic number.

220210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220210140 is an abundant number, since it is smaller than the sum of its proper divisors (396378420).

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

220210140 is a wasteful number, since it uses less digits than its factorization.

220210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670181 (or 3670179 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 220210140 is about 14839.4791013701. The cubic root of 220210140 is about 603.8732209094.

Adding to 220210140 its reverse (41012022), we get a palindrome (261222162).

The spelling of 220210140 in words is "two hundred twenty million, two hundred ten thousand, one hundred forty".