220100340 has 96 divisors (see below), whose sum is σ = 646329600. Its totient is φ = 55858176.

The previous prime is 220100323. The next prime is 220100357. The reversal of 220100340 is 43001022.

It is an interprime number because it is at equal distance from previous prime (220100323) and next prime (220100357).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481392 + ... + 481848.

It is an arithmetic number, because the mean of its divisors is an integer number (6732600).

Almost surely, 2^220100340 is an apocalyptic number.

220100340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220100340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323164800).

220100340 is an abundant number, since it is smaller than the sum of its proper divisors (426229260).

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

220100340 is a wasteful number, since it uses less digits than its factorization.

220100340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 220100340 is about 14835.7790493118. The cubic root of 220100340 is about 603.7728375469.

Adding to 220100340 its reverse (43001022), we get a palindrome (263101362).

The spelling of 220100340 in words is "two hundred twenty million, one hundred thousand, three hundred forty".