Search a number
-
+
20032101000 = 23325315714177
BaseRepresentation
bin10010101010000000…
…011001101010001000
31220201001221011112200
4102222000121222020
5312011204213000
613111433240200
71306262022552
oct225200315210
956631834480
1020032101000
11854a664a7a
123a70863060
131b73237002
14d806804d2
157c39ac500
hex4aa019a88

20032101000 has 192 divisors, whose sum is σ = 68144572080. Its totient is φ = 5307494400.

The previous prime is 20032100993. The next prime is 20032101029. The reversal of 20032101000 is 10123002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3516252804 + 16515848196 = 59298^2 + 128514^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405912 + ... + 1420088.

Almost surely, 220032101000 is an apocalyptic number.

20032101000 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 20032101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34072286040).

20032101000 is an abundant number, since it is smaller than the sum of its proper divisors (48112471080).

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

20032101000 is a wasteful number, since it uses less digits than its factorization.

20032101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14361 (or 14344 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20032101000 its reverse (10123002), we get a palindrome (20042224002).

The spelling of 20032101000 in words is "twenty billion, thirty-two million, one hundred one thousand".