20245624443 has 96 divisors (see below), whose sum is σ = 34776967680. Its totient is φ = 11223083520.

The previous prime is 20245624417. The next prime is 20245624453. The reversal of 20245624443 is 34442654202.

20245624443 is a `hidden beast` number, since 2 + 0 + 24 + 5 + 624 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 20245624443 - 2⁶ = 20245624379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20245624398 and 20245624407.

It is not an unprimeable number, because it can be changed into a prime (20245624453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4968655 + ... + 4972727.

It is an arithmetic number, because the mean of its divisors is an integer number (362260080).

Almost surely, 2^20245624443 is an apocalyptic number.

20245624443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20245624443 is a deficient number, since it is larger than the sum of its proper divisors (14531343237).

20245624443 is a wasteful number, since it uses less digits than its factorization.

20245624443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209 (or 4206 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

The spelling of 20245624443 in words is "twenty billion, two hundred forty-five million, six hundred twenty-four thousand, four hundred forty-three".