239113020 has 24 divisors (see below), whose sum is σ = 669516624. Its totient is φ = 63763456.

The previous prime is 239112997. The next prime is 239113031. The reversal of 239113020 is 20311932.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992549 + ... + 1992668.

It is an arithmetic number, because the mean of its divisors is an integer number (27896526).

Almost surely, 2^239113020 is an apocalyptic number.

239113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239113020 is an abundant number, since it is smaller than the sum of its proper divisors (430403604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

239113020 is a wasteful number, since it uses less digits than its factorization.

239113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985229 (or 3985227 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 239113020 is about 15463.2797297339. The cubic root of 239113020 is about 620.6799858285.

Adding to 239113020 its reverse (20311932), we get a palindrome (259424952).

The spelling of 239113020 in words is "two hundred thirty-nine million, one hundred thirteen thousand, twenty".