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20301203233 = 269105171807
BaseRepresentation
bin10010111010000010…
…111100011100100001
31221101211021222102001
4102322002330130201
5313034102000413
613154245124001
71316040244303
oct227202743441
957354258361
1020301203233
118678555513
123b269b9601
131bb6c072bc
14da82cd973
157dc4164dd
hex4ba0bc721

20301203233 has 8 divisors (see below), whose sum is σ = 20396344320. Its totient is φ = 20206208400.

The previous prime is 20301203231. The next prime is 20301203243. The reversal of 20301203233 is 33230210302.

It is a happy number.

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 20301203233 - 21 = 20301203231 is a prime.

It is a super-4 number, since 4×203012032334 (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20301203233.

It is not an unprimeable number, because it can be changed into a prime (20301203231) 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, 246816 + ... + 318622.

It is an arithmetic number, because the mean of its divisors is an integer number (2549543040).

Almost surely, 220301203233 is an apocalyptic number.

It is an amenable number.

20301203233 is a deficient number, since it is larger than the sum of its proper divisors (95141087).

20301203233 is a wasteful number, since it uses less digits than its factorization.

20301203233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73127.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20301203233 its reverse (33230210302), we get a palindrome (53531413535).

The spelling of 20301203233 in words is "twenty billion, three hundred one million, two hundred three thousand, two hundred thirty-three".

Divisors: 1 269 1051 71807 282719 19316083 75469157 20301203233