20624573443 has 2 divisors, whose sum is σ = 20624573444. Its totient is φ = 20624573442.

The previous prime is 20624573399. The next prime is 20624573477. The reversal of 20624573443 is 34437542602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20624573443 - 2³³ = 12034638851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20624573396 and 20624573405.

It is not a weakly prime, because it can be changed into another prime (20624573243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10312286721 + 10312286722.

It is an arithmetic number, because the mean of its divisors is an integer number (10312286722).

Almost surely, 2^20624573443 is an apocalyptic number.

20624573443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20624573443 is an equidigital number, since it uses as much as digits as its factorization.

20624573443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 40.

The spelling of 20624573443 in words is "twenty billion, six hundred twenty-four million, five hundred seventy-three thousand, four hundred forty-three".