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20313701 is a prime number
BaseRepresentation
bin100110101111…
…1011001100101
31102020001011022
41031133121211
520200014301
62003220525
7334443422
oct115373145
942201138
1020313701
1110514a91
126977745
134293155
151bb3d1b
hex135f665

20313701 has 2 divisors, whose sum is σ = 20313702. Its totient is φ = 20313700.

The previous prime is 20313697. The next prime is 20313707. The reversal of 20313701 is 10731302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20016676 + 297025 = 4474^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313701 - 22 = 20313697 is a prime.

It is a super-3 number, since 3×203137013 (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20313701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156850 + 10156851.

It is an arithmetic number, because the mean of its divisors is an integer number (10156851).

Almost surely, 220313701 is an apocalyptic number.

It is an amenable number.

20313701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313701 is an equidigital number, since it uses as much as digits as its factorization.

20313701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 20313701 is about 4507.0723313477. The cubic root of 20313701 is about 272.8535981479.

The spelling of 20313701 in words is "twenty million, three hundred thirteen thousand, seven hundred one".