20506252883 has 2 divisors, whose sum is σ = 20506252884. Its totient is φ = 20506252882.

The previous prime is 20506252847. The next prime is 20506252913. The reversal of 20506252883 is 38825260502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20506252883 - 2²⁴ = 20489475667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20506252883.

It is not a weakly prime, because it can be changed into another prime (20506252783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10253126441 + 10253126442.

It is an arithmetic number, because the mean of its divisors is an integer number (10253126442).

Almost surely, 2^20506252883 is an apocalyptic number.

20506252883 is a deficient number, since it is larger than the sum of its proper divisors (1).

20506252883 is an equidigital number, since it uses as much as digits as its factorization.

20506252883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 20506252883 in words is "twenty billion, five hundred six million, two hundred fifty-two thousand, eight hundred eighty-three".