20409624283 has 2 divisors, whose sum is σ = 20409624284. Its totient is φ = 20409624282.

The previous prime is 20409624271. The next prime is 20409624293. The reversal of 20409624283 is 38242690402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20409624283 - 2⁵ = 20409624251 is a prime.

It is not a weakly prime, because it can be changed into another prime (20409624203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10204812141 + 10204812142.

It is an arithmetic number, because the mean of its divisors is an integer number (10204812142).

Almost surely, 2^20409624283 is an apocalyptic number.

20409624283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20409624283 is an equidigital number, since it uses as much as digits as its factorization.

20409624283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 20409624283 in words is "twenty billion, four hundred nine million, six hundred twenty-four thousand, two hundred eighty-three".