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BaseRepresentation
bin101000000010…
…1010000100011
31110111120001201
41100011100203
520333234214
62025542031
7343303153
oct120052043
943446051
1020993059
111093943a
127044917
134470439
142b06763
151c9a274
hex1405423

20993059 has 2 divisors, whose sum is σ = 20993060. Its totient is φ = 20993058.

The previous prime is 20993047. The next prime is 20993083. The reversal of 20993059 is 95039902.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20993059 - 219 = 20468771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20993009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10496529 + 10496530.

It is an arithmetic number, because the mean of its divisors is an integer number (10496530).

Almost surely, 220993059 is an apocalyptic number.

20993059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20993059 is an equidigital number, since it uses as much as digits as its factorization.

20993059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 20993059 is about 4581.8183071789. The cubic root of 20993059 is about 275.8620179510.

The spelling of 20993059 in words is "twenty million, nine hundred ninety-three thousand, fifty-nine".