65000230920 has 256 divisors, whose sum is σ = 218363040000. Its totient is φ = 17198438400.

The previous prime is 65000230879. The next prime is 65000230927. The reversal of 65000230920 is 2903200056.

65000230920 is a `hidden beast` number, since 650 + 0 + 0 + 2 + 3 + 0 + 9 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (65000230927) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124760260 + ... + 124760780.

It is an arithmetic number, because the mean of its divisors is an integer number (852980625).

Almost surely, 2^65000230920 is an apocalyptic number.

65000230920 is a gapful number since it is divisible by the number (60) 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 65000230920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109181520000).

65000230920 is an abundant number, since it is smaller than the sum of its proper divisors (153362809080).

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

65000230920 is a wasteful number, since it uses less digits than its factorization.

65000230920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 65000230920 its reverse (2903200056), we get a palindrome (67903430976).

The spelling of 65000230920 in words is "sixty-five billion, two hundred thirty thousand, nine hundred twenty".