2040222420 has 72 divisors (see below), whose sum is σ = 6193658016. Its totient is φ = 543621312.

The previous prime is 2040222347. The next prime is 2040222473. The reversal of 2040222420 is 242220402.

2040222420 is a `hidden beast` number, since 20 + 4 + 0 + 222 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2040222393 and 2040222402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263119 + ... + 270761.

It is an arithmetic number, because the mean of its divisors is an integer number (86023028).

Almost surely, 2^2040222420 is an apocalyptic number.

2040222420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040222420 is an abundant number, since it is smaller than the sum of its proper divisors (4153435596).

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

2040222420 is a wasteful number, since it uses less digits than its factorization.

2040222420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 9136 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2040222420 is about 45168.8213262201. The cubic root of 2040222420 is about 1268.3112321360.

Adding to 2040222420 its reverse (242220402), we get a palindrome (2282442822).

The spelling of 2040222420 in words is "two billion, forty million, two hundred twenty-two thousand, four hundred twenty".