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20000022001969 is a prime number
BaseRepresentation
bin1001000110000100111100…
…01101001111100100110001
32121210222112220212022200111
410203002132031033210301
510110140021113030334
6110311514441421321
74132645122026362
oct443023615174461
977728486768614
1020000022001969
116410a64025489
1222b017aa9a841
13b20cbca18459
144d2013147b69
1524a3a6c80064
hex12309e34f931

20000022001969 has 2 divisors, whose sum is σ = 20000022001970. Its totient is φ = 20000022001968.

The previous prime is 20000022001957. The next prime is 20000022002027. The reversal of 20000022001969 is 96910022000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14125758480625 + 5874263521344 = 3758425^2 + 2423688^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000022001969 - 217 = 20000021870897 is a prime.

It is a super-2 number, since 2×200000220019692 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20000022001969.

It is not a weakly prime, because it can be changed into another prime (20000022001909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000011000984 + 10000011000985.

It is an arithmetic number, because the mean of its divisors is an integer number (10000011000985).

Almost surely, 220000022001969 is an apocalyptic number.

It is an amenable number.

20000022001969 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000022001969 is an equidigital number, since it uses as much as digits as its factorization.

20000022001969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 20000022001969 in words is "twenty trillion, twenty-two million, one thousand, nine hundred sixty-nine".