202059009 has 8 divisors (see below), whose sum is σ = 299346720. Its totient is φ = 134705988.

The previous prime is 202058993. The next prime is 202059031. The reversal of 202059009 is 900950202.

It is not a de Polignac number, because 202059009 - 2⁴ = 202058993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7483667 = 202059009 / (2 + 0 + 2 + 0 + 5 + 9 + 0 + 0 + 9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202059089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741807 + ... + 3741860.

It is an arithmetic number, because the mean of its divisors is an integer number (37418340).

Almost surely, 2^202059009 is an apocalyptic number.

It is an amenable number.

202059009 is a deficient number, since it is larger than the sum of its proper divisors (97287711).

202059009 is an equidigital number, since it uses as much as digits as its factorization.

202059009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7483676 (or 7483670 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 202059009 is about 14214.7461813428. The cubic root of 202059009 is about 586.8035594734.

The spelling of 202059009 in words is "two hundred two million, fifty-nine thousand, nine".