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20301420123 = 334719978011
BaseRepresentation
bin10010111010000011…
…110001011001011011
31221101211200222221000
4102322003301121123
5313034130420443
613154253520043
71316042136525
oct227203613133
957354628830
1020301420123
118678693466
123b26aa3023
131bb6c81c3a
14da8348a15
157dc45a8d3
hex4ba0f165b

20301420123 has 32 divisors (see below), whose sum is σ = 30735313920. Its totient is φ = 13238030880.

The previous prime is 20301420121. The next prime is 20301420173. The reversal of 20301420123 is 32102410302.

It is not a de Polignac number, because 20301420123 - 21 = 20301420121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20301420096 and 20301420105.

It is not an unprimeable number, because it can be changed into a prime (20301420121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2530188 + ... + 2538198.

It is an arithmetic number, because the mean of its divisors is an integer number (960478560).

Almost surely, 220301420123 is an apocalyptic number.

20301420123 is a deficient number, since it is larger than the sum of its proper divisors (10433893797).

20301420123 is a wasteful number, since it uses less digits than its factorization.

20301420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10064 (or 10058 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20301420123 its reverse (32102410302), we get a palindrome (52403830425).

The spelling of 20301420123 in words is "twenty billion, three hundred one million, four hundred twenty thousand, one hundred twenty-three".

Divisors: 1 3 9 27 47 141 423 1269 1997 5991 8011 17973 24033 53919 72099 93859 216297 281577 376517 844731 1129551 2534193 3388653 10165959 15997967 47993901 143981703 431945109 751904449 2255713347 6767140041 20301420123