Search a number
-
+
20322030300 = 22352111332803
BaseRepresentation
bin10010111011010010…
…011001001011011100
31221110021111002202220
4102323102121023130
5313104414432200
613200311345340
71316412256515
oct227322311334
957407432686
1020322030300
118689290170
123b31982250
131bbb31a000
14daad91a0c
157de17c4a0
hex4bb4992dc

20322030300 has 288 divisors, whose sum is σ = 69511384320. Its totient is φ = 4545964800.

The previous prime is 20322030293. The next prime is 20322030307. The reversal of 20322030300 is 303022302.

It is an interprime number because it is at equal distance from previous prime (20322030293) and next prime (20322030307).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20322030300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322030307) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7248699 + ... + 7251501.

Almost surely, 220322030300 is an apocalyptic number.

20322030300 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 20322030300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34755692160).

20322030300 is an abundant number, since it is smaller than the sum of its proper divisors (49189354020).

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

20322030300 is a wasteful number, since it uses less digits than its factorization.

20322030300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 2837 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20322030300 its reverse (303022302), we get a palindrome (20625052602).

The spelling of 20322030300 in words is "twenty billion, three hundred twenty-two million, thirty thousand, three hundred".