20982053 has 2 divisors, whose sum is σ = 20982054. Its totient is φ = 20982052.

The previous prime is 20982041. The next prime is 20982067. The reversal of 20982053 is 35028902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20948929 + 33124 = 4577^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 20982053 - 2¹⁰ = 20981029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20982253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10491026 + 10491027.

It is an arithmetic number, because the mean of its divisors is an integer number (10491027).

Almost surely, 2^20982053 is an apocalyptic number.

It is an amenable number.

20982053 is a deficient number, since it is larger than the sum of its proper divisors (1).

20982053 is an equidigital number, since it uses as much as digits as its factorization.

20982053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 20982053 is about 4580.6170981648. The cubic root of 20982053 is about 275.8138009330.

The spelling of 20982053 in words is "twenty million, nine hundred eighty-two thousand, fifty-three".