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20301311203 = 227233383833
BaseRepresentation
bin10010111010000011…
…010110110011100011
31221101211111110111221
4102322003112303203
5313034113424303
613154251315511
71316041204135
oct227203266343
957354443457
1020301311203
118678619648
123b26a4bb97
131bb6c444a4
14da831b055
157dc4384bd
hex4ba0d6ce3

20301311203 has 8 divisors (see below), whose sum is σ = 20478311568. Its totient is φ = 20125079424.

The previous prime is 20301311183. The next prime is 20301311207. The reversal of 20301311203 is 30211310302.

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

It is a cyclic number.

It is not a de Polignac number, because 20301311203 - 29 = 20301310691 is a prime.

It is a super-2 number, since 2×203013112032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301311207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139026 + ... + 244807.

It is an arithmetic number, because the mean of its divisors is an integer number (2559788946).

Almost surely, 220301311203 is an apocalyptic number.

20301311203 is a deficient number, since it is larger than the sum of its proper divisors (177000365).

20301311203 is a wasteful number, since it uses less digits than its factorization.

20301311203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384293.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20301311203 its reverse (30211310302), we get a palindrome (50512621505).

Subtracting 20301311203 from its reverse (30211310302), we obtain a palindrome (9909999099).

The spelling of 20301311203 in words is "twenty billion, three hundred one million, three hundred eleven thousand, two hundred three".

Divisors: 1 227 233 52891 383833 87130091 89433089 20301311203