220218112740 has 24 divisors (see below), whose sum is σ = 616610715840. Its totient is φ = 58724830048.

The previous prime is 220218112733. The next prime is 220218112747. The reversal of 220218112740 is 47211812022.

It is an interprime number because it is at equal distance from previous prime (220218112733) and next prime (220218112747).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 220218112698 and 220218112707.

It is not an unprimeable number, because it can be changed into a prime (220218112747) 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, 1835150880 + ... + 1835150999.

It is an arithmetic number, because the mean of its divisors is an integer number (25692113160).

Almost surely, 2^220218112740 is an apocalyptic number.

220218112740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220218112740 is an abundant number, since it is smaller than the sum of its proper divisors (396392603100).

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

220218112740 is a wasteful number, since it uses less digits than its factorization.

220218112740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670301891 (or 3670301889 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

Adding to 220218112740 its reverse (47211812022), we get a palindrome (267429924762).

The spelling of 220218112740 in words is "two hundred twenty billion, two hundred eighteen million, one hundred twelve thousand, seven hundred forty".