20210524093 has 2 divisors, whose sum is σ = 20210524094. Its totient is φ = 20210524092.

The previous prime is 20210524073. The next prime is 20210524199. The reversal of 20210524093 is 39042501202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13623091524 + 6587432569 = 116718^2 + 81163^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210524093 - 2⁹ = 20210523581 is a prime.

It is a super-2 number, since 2×20210524093² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20210524073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105262046 + 10105262047.

It is an arithmetic number, because the mean of its divisors is an integer number (10105262047).

Almost surely, 2^20210524093 is an apocalyptic number.

It is an amenable number.

20210524093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210524093 is an equidigital number, since it uses as much as digits as its factorization.

20210524093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 20210524093 in words is "twenty billion, two hundred ten million, five hundred twenty-four thousand, ninety-three".