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20332231230121 = 436710964746349
BaseRepresentation
bin1001001111101111101110…
…11010111000001010101001
32122222202001011010200002121
410213313313122320022221
510131110402143330441
6111124255330231241
74165645433623216
oct447676732701251
978882034120077
1020332231230121
11652993a5185a8
122344633125521
13b46423821c35
14504129c94b0d
15253d4bea8dd1
hex127df76b82a9

20332231230121 has 16 divisors (see below), whose sum is σ = 21309318712000. Its totient is φ = 19383502678848.

The previous prime is 20332231230053. The next prime is 20332231230127. The reversal of 20332231230121 is 12103213223302.

It is a cyclic number.

It is not a de Polignac number, because 20332231230121 - 217 = 20332231099049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332231230127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32059146 + ... + 32687203.

It is an arithmetic number, because the mean of its divisors is an integer number (1331832419500).

Almost surely, 220332231230121 is an apocalyptic number.

It is an amenable number.

20332231230121 is a deficient number, since it is larger than the sum of its proper divisors (977087481879).

20332231230121 is a wasteful number, since it uses less digits than its factorization.

20332231230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64746568.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20332231230121 its reverse (12103213223302), we get a palindrome (32435444453423).

The spelling of 20332231230121 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-one million, two hundred thirty thousand, one hundred twenty-one".

Divisors: 1 43 67 109 2881 4687 7303 314029 64746349 2784093007 4338005383 7057352041 186534231469 303466137763 472842586747 20332231230121