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20012011203 = 328789231709
BaseRepresentation
bin10010101000110011…
…110000111011000011
31220122200010111112010
4102220303300323003
5311441033324303
613105434504003
71305626200662
oct225063607303
956580114463
1020012011203
11853a293238
123a65b95003
131b6c021a62
14d7bb30dd9
157c1d3ec03
hex4a8cf0ec3

20012011203 has 8 divisors (see below), whose sum is σ = 26683723600. Its totient is φ = 13340819808.

The previous prime is 20012011169. The next prime is 20012011277. The reversal of 20012011203 is 30211021002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20012011203 - 214 = 20011994819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012010203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29488 + ... + 202221.

It is an arithmetic number, because the mean of its divisors is an integer number (3335465450).

Almost surely, 220012011203 is an apocalyptic number.

20012011203 is a deficient number, since it is larger than the sum of its proper divisors (6671712397).

20012011203 is a wasteful number, since it uses less digits than its factorization.

20012011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260501.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20012011203 its reverse (30211021002), we get a palindrome (50223032205).

The spelling of 20012011203 in words is "twenty billion, twelve million, eleven thousand, two hundred three".

Divisors: 1 3 28789 86367 231709 695127 6670670401 20012011203