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20301223102 = 2232571717241
BaseRepresentation
bin10010111010000011…
…000001010010111110
31221101211022222122221
4102322003001102332
5313034103114402
613154245355554
71316040356236
oct227203012276
957354288587
1020301223102
118678569436
123b26a08bba
131bb6c13364
14da82d6cc6
157dc41c337
hex4ba0c14be

20301223102 has 16 divisors (see below), whose sum is σ = 31899487392. Its totient is φ = 9671495680.

The previous prime is 20301223087. The next prime is 20301223123. The reversal of 20301223102 is 20132210302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846799 + ... + 870442.

It is an arithmetic number, because the mean of its divisors is an integer number (1993717962).

Almost surely, 220301223102 is an apocalyptic number.

20301223102 is a deficient number, since it is larger than the sum of its proper divisors (11598264290).

20301223102 is a wasteful number, since it uses less digits than its factorization.

20301223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717523.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20301223102 its reverse (20132210302), we get a palindrome (40433433404).

The spelling of 20301223102 in words is "twenty billion, three hundred one million, two hundred twenty-three thousand, one hundred two".

Divisors: 1 2 23 46 257 514 5911 11822 1717241 3434482 39496543 78993086 441330937 882661874 10150611551 20301223102