2066424420 has 192 divisors, whose sum is σ = 6479585280. Its totient is φ = 489595392.

The previous prime is 2066424407. The next prime is 2066424431. The reversal of 2066424420 is 244246602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1388917 + ... + 1390403.

It is an arithmetic number, because the mean of its divisors is an integer number (33747840).

Almost surely, 2^2066424420 is an apocalyptic number.

2066424420 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 2066424420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3239792640).

2066424420 is an abundant number, since it is smaller than the sum of its proper divisors (4413160860).

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

2066424420 is a wasteful number, since it uses less digits than its factorization.

2066424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 2066424420 is about 45457.9412204292. The cubic root of 2066424420 is about 1273.7176742143.

The spelling of 2066424420 in words is "two billion, sixty-six million, four hundred twenty-four thousand, four hundred twenty".