2420551220 has 12 divisors (see below), whose sum is σ = 5083157604. Its totient is φ = 968220480.

The previous prime is 2420551219. The next prime is 2420551223. The reversal of 2420551220 is 221550242.

It can be written as a sum of positive squares in 2 ways, for example, as 1212571684 + 1207979536 = 34822^2 + 34756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420551223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60513761 + ... + 60513800.

It is an arithmetic number, because the mean of its divisors is an integer number (423596467).

Almost surely, 2^2420551220 is an apocalyptic number.

2420551220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420551220 is an abundant number, since it is smaller than the sum of its proper divisors (2662606384).

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

2420551220 is a wasteful number, since it uses less digits than its factorization.

2420551220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121027570 (or 121027568 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2420551220 is about 49199.0977559548. The cubic root of 2420551220 is about 1342.6766169942.

The spelling of 2420551220 in words is "two billion, four hundred twenty million, five hundred fifty-one thousand, two hundred twenty".