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20330032013221 = 77693776710387
BaseRepresentation
bin1001001111101011101000…
…10101100001111110100101
32122222112100212220212122211
410213311310111201332211
510131041401143410341
6111123253205323421
74165540100605150
oct447656425417645
978875325825584
1020330032013221
116528a11083377
12234411a706571
13b46163005b68
14503d9bb7cc97
15253c6dd94181
hex127d74561fa5

20330032013221 has 8 divisors (see below), whose sum is σ = 23264535990080. Its totient is φ = 17403081458688.

The previous prime is 20330032013201. The next prime is 20330032013231. The reversal of 20330032013221 is 12231023003302.

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 20330032013221 - 29 = 20330032012709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20330032013192 and 20330032013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330032013201) 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, 1888349811 + ... + 1888360576.

It is an arithmetic number, because the mean of its divisors is an integer number (2908066998760).

Almost surely, 220330032013221 is an apocalyptic number.

It is an amenable number.

20330032013221 is a deficient number, since it is larger than the sum of its proper divisors (2934503976859).

20330032013221 is an equidigital number, since it uses as much as digits as its factorization.

20330032013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776711163.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20330032013221 its reverse (12231023003302), we get a palindrome (32561055016523).

The spelling of 20330032013221 in words is "twenty trillion, three hundred thirty billion, thirty-two million, thirteen thousand, two hundred twenty-one".

Divisors: 1 7 769 5383 3776710387 26436972709 2904290287603 20330032013221