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20231300232 = 23331113798291
BaseRepresentation
bin10010110101111000…
…010010010010001000
31221012221202112112000
4102311320102102020
5312413203101412
613143310551000
71314231133413
oct226570222210
957187675460
1020231300232
118642050340
123b07508460
131ba55a0990
14d9ccd4b7a
157d62094dc
hex4b5e12488

20231300232 has 256 divisors, whose sum is σ = 66866688000. Its totient is φ = 5586796800.

The previous prime is 20231300209. The next prime is 20231300233. The reversal of 20231300232 is 23200313202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20231300233) 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, 2436007 + ... + 2444297.

It is an arithmetic number, because the mean of its divisors is an integer number (261198000).

Almost surely, 220231300232 is an apocalyptic number.

20231300232 is a gapful number since it is divisible by the number (22) 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 20231300232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33433344000).

20231300232 is an abundant number, since it is smaller than the sum of its proper divisors (46635387768).

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

20231300232 is a wasteful number, since it uses less digits than its factorization.

20231300232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20231300232 its reverse (23200313202), we get a palindrome (43431613434).

The spelling of 20231300232 in words is "twenty billion, two hundred thirty-one million, three hundred thousand, two hundred thirty-two".