2220340020 has 48 divisors (see below), whose sum is σ = 6222363840. Its totient is φ = 591575296.

The previous prime is 2220340013. The next prime is 2220340033. The reversal of 2220340020 is 200430222.

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

It is a congruent number.

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, 56071 + ... + 87089.

It is an arithmetic number, because the mean of its divisors is an integer number (129632580).

Almost surely, 2^2220340020 is an apocalyptic number.

2220340020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220340020 is an abundant number, since it is smaller than the sum of its proper divisors (4002023820).

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

2220340020 is a wasteful number, since it uses less digits than its factorization.

2220340020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32224 (or 32222 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2220340020 is about 47120.4840807053. The cubic root of 2220340020 is about 1304.5873476934.

Adding to 2220340020 its reverse (200430222), we get a palindrome (2420770242).

The spelling of 2220340020 in words is "two billion, two hundred twenty million, three hundred forty thousand, twenty".