202740029 has 2 divisors, whose sum is σ = 202740030. Its totient is φ = 202740028.

The previous prime is 202740023. The next prime is 202740059. The reversal of 202740029 is 920047202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190384804 + 12355225 = 13798^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 202740029 - 2¹² = 202735933 is a prime.

It is a super-2 number, since 2×202740029² = 82207038717841682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202740023) 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, 101370014 + 101370015.

It is an arithmetic number, because the mean of its divisors is an integer number (101370015).

Almost surely, 2^202740029 is an apocalyptic number.

It is an amenable number.

202740029 is a deficient number, since it is larger than the sum of its proper divisors (1).

202740029 is an equidigital number, since it uses as much as digits as its factorization.

202740029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 202740029 is about 14238.6807324274. The cubic root of 202740029 is about 587.4620747512.

The spelling of 202740029 in words is "two hundred two million, seven hundred forty thousand, twenty-nine".