20984832053 has 2 divisors, whose sum is σ = 20984832054. Its totient is φ = 20984832052.

The previous prime is 20984831957. The next prime is 20984832061. The reversal of 20984832053 is 35023848902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13183173124 + 7801658929 = 114818^2 + 88327^2 .

It is a cyclic number.

It is not a de Polignac number, because 20984832053 - 2⁸ = 20984831797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20984831995 and 20984832013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20984832073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10492416026 + 10492416027.

It is an arithmetic number, because the mean of its divisors is an integer number (10492416027).

Almost surely, 2^20984832053 is an apocalyptic number.

It is an amenable number.

20984832053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20984832053 is an equidigital number, since it uses as much as digits as its factorization.

20984832053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 20984832053 in words is "twenty billion, nine hundred eighty-four million, eight hundred thirty-two thousand, fifty-three".