202240039 has 8 divisors (see below), whose sum is σ = 208606320. Its totient is φ = 195921216.

The previous prime is 202240019. The next prime is 202240043. The reversal of 202240039 is 930042202.

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

It is not a de Polignac number, because 202240039 - 2¹¹ = 202237991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202240019) 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 in 7 ways as a sum of consecutive naturals, for example, 3109 + ... + 20350.

It is an arithmetic number, because the mean of its divisors is an integer number (26075790).

Almost surely, 2^202240039 is an apocalyptic number.

202240039 is a deficient number, since it is larger than the sum of its proper divisors (6366281).

202240039 is a wasteful number, since it uses less digits than its factorization.

202240039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23729.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 202240039 is about 14221.1124389058. The cubic root of 202240039 is about 586.9787514304.

The spelling of 202240039 in words is "two hundred two million, two hundred forty thousand, thirty-nine".