20932753 has 2 divisors, whose sum is σ = 20932754. Its totient is φ = 20932752.

The previous prime is 20932679. The next prime is 20932757. The reversal of 20932753 is 35723902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17572864 + 3359889 = 4192^2 + 1833^2 .

It is a cyclic number.

It is not a de Polignac number, because 20932753 - 2¹⁷ = 20801681 is a prime.

It is not a weakly prime, because it can be changed into another prime (20932757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10466376 + 10466377.

It is an arithmetic number, because the mean of its divisors is an integer number (10466377).

Almost surely, 2^20932753 is an apocalyptic number.

It is an amenable number.

20932753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20932753 is an equidigital number, since it uses as much as digits as its factorization.

20932753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 20932753 is about 4575.2325623951. The cubic root of 20932753 is about 275.5976116642.

The spelling of 20932753 in words is "twenty million, nine hundred thirty-two thousand, seven hundred fifty-three".