2420320220 has 48 divisors (see below), whose sum is σ = 5225955168. Its totient is φ = 940896000.

The previous prime is 2420320213. The next prime is 2420320223. The reversal of 2420320220 is 220230242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420320223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074095 + ... + 1076345.

It is an arithmetic number, because the mean of its divisors is an integer number (108874066).

Almost surely, 2^2420320220 is an apocalyptic number.

2420320220 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 2420320220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2612977584).

2420320220 is an abundant number, since it is smaller than the sum of its proper divisors (2805634948).

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

2420320220 is a wasteful number, since it uses less digits than its factorization.

2420320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2420320220 is about 49196.7500959159. The cubic root of 2420320220 is about 1342.6339038354.

Adding to 2420320220 its reverse (220230242), we get a palindrome (2640550462).

The spelling of 2420320220 in words is "two billion, four hundred twenty million, three hundred twenty thousand, two hundred twenty".