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20223120040087 is a prime number
BaseRepresentation
bin1001001100100100011111…
…11000101110000010010111
32122121022102000011220210011
410212102033320232002113
510122313422212240322
6111002212330541051
74155033524044366
oct446221770560227
978538360156704
1020223120040087
116497639057588
122327461b97787
13b390555012b3
144dcb38b577dd
152510b2e2c677
hex12648fe2e097

20223120040087 has 2 divisors, whose sum is σ = 20223120040088. Its totient is φ = 20223120040086.

The previous prime is 20223120040021. The next prime is 20223120040117. The reversal of 20223120040087 is 78004002132202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20223120040087 - 27 = 20223120039959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223120040787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111560020043 + 10111560020044.

It is an arithmetic number, because the mean of its divisors is an integer number (10111560020044).

Almost surely, 220223120040087 is an apocalyptic number.

20223120040087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223120040087 is an equidigital number, since it uses as much as digits as its factorization.

20223120040087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 20223120040087 its reverse (78004002132202), we get a palindrome (98227122172289).

The spelling of 20223120040087 in words is "twenty trillion, two hundred twenty-three billion, one hundred twenty million, forty thousand, eighty-seven".