1420202443 has 8 divisors (see below), whose sum is σ = 1630854720. Its totient is φ = 1223140680.

The previous prime is 1420202437. The next prime is 1420202449. The reversal of 1420202443 is 3442020241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1420202437) and next prime (1420202449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420202443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420202449) 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, 3397405 + ... + 3397822.

It is an arithmetic number, because the mean of its divisors is an integer number (203856840).

Almost surely, 2^1420202443 is an apocalyptic number.

1420202443 is a deficient number, since it is larger than the sum of its proper divisors (210652277).

1420202443 is a wasteful number, since it uses less digits than its factorization.

1420202443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795257.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1420202443 is about 37685.5734068091. The cubic root of 1420202443 is about 1124.0442761800.

Adding to 1420202443 its reverse (3442020241), we get a palindrome (4862222684).

The spelling of 1420202443 in words is "one billion, four hundred twenty million, two hundred two thousand, four hundred forty-three".