238660020500 has 96 divisors (see below), whose sum is σ = 574249568256. Its totient is φ = 85926000000.

The previous prime is 238660020497. The next prime is 238660020517. The reversal of 238660020500 is 5020066832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340685 + ... + 770315.

It is an arithmetic number, because the mean of its divisors is an integer number (5981766336).

Almost surely, 2^238660020500 is an apocalyptic number.

238660020500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238660020500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287124784128).

238660020500 is an abundant number, since it is smaller than the sum of its proper divisors (335589547756).

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

238660020500 is a wasteful number, since it uses less digits than its factorization.

238660020500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429762 (or 429750 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 238660020500 in words is "two hundred thirty-eight billion, six hundred sixty million, twenty thousand, five hundred".