20043202445 has 16 divisors (see below), whose sum is σ = 27496777728. Its totient is φ = 13739431680.

The previous prime is 20043202433. The next prime is 20043202457. The reversal of 20043202445 is 54420234002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20043202433) and next prime (20043202457).

It is not a de Polignac number, because 20043202445 - 2⁸ = 20043202189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17492 + ... + 200978.

It is an arithmetic number, because the mean of its divisors is an integer number (1718548608).

Almost surely, 2^20043202445 is an apocalyptic number.

It is an amenable number.

20043202445 is a deficient number, since it is larger than the sum of its proper divisors (7453575283).

20043202445 is a wasteful number, since it uses less digits than its factorization.

20043202445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186620.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 20043202445 its reverse (54420234002), we get a palindrome (74463436447).

The spelling of 20043202445 in words is "twenty billion, forty-three million, two hundred two thousand, four hundred forty-five".