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20012301000 = 23325319373163
BaseRepresentation
bin10010101000110100…
…110111101011001000
31220122200200020001100
4102220310313223020
5311441122113000
613105445021400
71305631515606
oct225064675310
956580606040
1020012301000
11853a470a3a
123a660b4860
131b6c0c3933
14d7bba8876
157c1d9aa00
hex4a8d37ac8

20012301000 has 384 divisors, whose sum is σ = 73149148800. Its totient is φ = 4917542400.

The previous prime is 20012300969. The next prime is 20012301061. The reversal of 20012301000 is 10321002.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6325419 + ... + 6328581.

It is an arithmetic number, because the mean of its divisors is an integer number (190492575).

Almost surely, 220012301000 is an apocalyptic number.

20012301000 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 20012301000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36574574400).

20012301000 is an abundant number, since it is smaller than the sum of its proper divisors (53136847800).

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

20012301000 is a wasteful number, since it uses less digits than its factorization.

20012301000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246 (or 3229 counting only the distinct ones).

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

Adding to 20012301000 its reverse (10321002), we get a palindrome (20022622002).

The spelling of 20012301000 in words is "twenty billion, twelve million, three hundred one thousand".