202324520009 has 2 divisors, whose sum is σ = 202324520010. Its totient is φ = 202324520008.

The previous prime is 202324519997. The next prime is 202324520029. The reversal of 202324520009 is 900025423202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148837782025 + 53486737984 = 385795^2 + 231272^2 .

It is a cyclic number.

It is not a de Polignac number, because 202324520009 - 2²⁸ = 202056084553 is a prime.

It is a super-2 number, since 2×202324520009² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202324520029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101162260004 + 101162260005.

It is an arithmetic number, because the mean of its divisors is an integer number (101162260005).

Almost surely, 2^202324520009 is an apocalyptic number.

It is an amenable number.

202324520009 is a deficient number, since it is larger than the sum of its proper divisors (1).

202324520009 is an equidigital number, since it uses as much as digits as its factorization.

202324520009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 202324520009 in words is "two hundred two billion, three hundred twenty-four million, five hundred twenty thousand, nine".