2043220426 has 16 divisors (see below), whose sum is σ = 3331437984. Its totient is φ = 934210224.

The previous prime is 2043220397. The next prime is 2043220427. The reversal of 2043220426 is 6240223402.

It is a self number, because there is not a number n which added to its sum of digits gives 2043220426.

It is not an unprimeable number, because it can be changed into a prime (2043220427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364440 + ... + 370003.

It is an arithmetic number, because the mean of its divisors is an integer number (208214874).

Almost surely, 2^2043220426 is an apocalyptic number.

2043220426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2043220426 is a deficient number, since it is larger than the sum of its proper divisors (1288217558).

2043220426 is a wasteful number, since it uses less digits than its factorization.

2043220426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734565.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2043220426 is about 45201.9958187689. The cubic root of 2043220426 is about 1268.9321683117.

Adding to 2043220426 its reverse (6240223402), we get a palindrome (8283443828).

The spelling of 2043220426 in words is "two billion, forty-three million, two hundred twenty thousand, four hundred twenty-six".