2220600620 has 72 divisors (see below), whose sum is σ = 5434245936. Its totient is φ = 759997056.

The previous prime is 2220600617. The next prime is 2220600637. The reversal of 2220600620 is 260060222.

It is a super-2 number, since 2×2220600620² = 9862134227088768800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2220600592 and 2220600601.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661787 + ... + 665133.

It is an arithmetic number, because the mean of its divisors is an integer number (75475638).

Almost surely, 2^2220600620 is an apocalyptic number.

2220600620 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 2220600620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2717122968).

2220600620 is an abundant number, since it is smaller than the sum of its proper divisors (3213645316).

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

2220600620 is a wasteful number, since it uses less digits than its factorization.

2220600620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4038 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2220600620 is about 47123.2492512985. The cubic root of 2220600620 is about 1304.6383852461.

Adding to 2220600620 its reverse (260060222), we get a palindrome (2480660842).

The spelling of 2220600620 in words is "two billion, two hundred twenty million, six hundred thousand, six hundred twenty".