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20301303000 = 23353111016091
BaseRepresentation
bin10010111010000011…
…010100110011011000
31221101211111001021010
4102322003110303120
5313034113144000
613154251213520
71316041141206
oct227203246330
957354431233
1020301303000
118678613470
123b26a472a0
131bb6c40834
14da8318076
157dc435d50
hex4ba0d4cd8

20301303000 has 256 divisors, whose sum is σ = 69793850880. Its totient is φ = 4872000000.

The previous prime is 20301302963. The next prime is 20301303007. The reversal of 20301303000 is 30310302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301303007) 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, 3329955 + ... + 3336045.

It is an arithmetic number, because the mean of its divisors is an integer number (272632230).

Almost surely, 220301303000 is an apocalyptic number.

20301303000 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 20301303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34896925440).

20301303000 is an abundant number, since it is smaller than the sum of its proper divisors (49492547880).

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

20301303000 is a wasteful number, since it uses less digits than its factorization.

20301303000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 20301303000 its reverse (30310302), we get a palindrome (20331613302).

The spelling of 20301303000 in words is "twenty billion, three hundred one million, three hundred three thousand".