220303140 has 48 divisors (see below), whose sum is σ = 638124480. Its totient is φ = 56721280.

The previous prime is 220303133. The next prime is 220303151. The reversal of 220303140 is 41303022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61566 + ... + 65045.

It is an arithmetic number, because the mean of its divisors is an integer number (13294260).

Almost surely, 2^220303140 is an apocalyptic number.

220303140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220303140 is an abundant number, since it is smaller than the sum of its proper divisors (417821340).

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

220303140 is a wasteful number, since it uses less digits than its factorization.

220303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126652 (or 126650 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220303140 is about 14842.6123037692. The cubic root of 220303140 is about 603.9582189715.

Adding to 220303140 its reverse (41303022), we get a palindrome (261606162).

The spelling of 220303140 in words is "two hundred twenty million, three hundred three thousand, one hundred forty".