202057239 has 8 divisors (see below), whose sum is σ = 278699760. Its totient is φ = 130059776.

The previous prime is 202057171. The next prime is 202057243. The reversal of 202057239 is 932750202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202057239 - 2⁹ = 202056727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202057279) 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, 1161162 + ... + 1161335.

It is an arithmetic number, because the mean of its divisors is an integer number (34837470).

Almost surely, 2^202057239 is an apocalyptic number.

202057239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

202057239 is a deficient number, since it is larger than the sum of its proper divisors (76642521).

202057239 is a wasteful number, since it uses less digits than its factorization.

202057239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322529.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 202057239 is about 14214.6839219168. The cubic root of 202057239 is about 586.8018460377.

The spelling of 202057239 in words is "two hundred two million, fifty-seven thousand, two hundred thirty-nine".